{"id":"CVE-2023-28766","aliases":["EUVD-2023-32401","GHSA-frg8-xf9g-3fjf"],"status":"published","title":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 ...","description":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD89 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 6MU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7KE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SA82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SA86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SD82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SK82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SK82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SK85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SL82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SL86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SS85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7ST85 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 7ST86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SX82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SX85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UM85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7UT82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7UT85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VK87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions \u003c V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions \u003c V9.40). Affected devices lack proper validation of http request parameters of the hosted web service.\r\nAn unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00935,"percentile":0.61027,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-476"],"published":"2023-04-11T09:03:05Z","modified":"2026-06-17T05:48:43Z","products":[{"vendor":"siemens","product":"siprotec 5 6md85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 6md86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 6md89 (cp300)"},{"vendor":"siemens","product":"siprotec 5 6mu85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7ke85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sa82 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7sa82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sa86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sa87 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sd82 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7sd82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sd86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sd87 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sj81 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7sj81 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sj82 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7sj82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sj85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sj86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sk82 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7sk82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sk85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sl82 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7sl82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sl86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sl87 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7ss85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7st85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7st86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7sx82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7sx85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7um85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7ut82 (cp100)"},{"vendor":"siemens","product":"siprotec 5 7ut82 (cp150)"},{"vendor":"siemens","product":"siprotec 5 7ut85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7ut86 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7ut87 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7ve85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7vk87 (cp300)"},{"vendor":"siemens","product":"siprotec 5 7vu85 (cp300)"},{"vendor":"siemens","product":"siprotec 5 communication module eth-ba-2el (rev.1)"},{"vendor":"siemens","product":"siprotec 5 communication module eth-bb-2fo (rev. 1)"},{"vendor":"siemens","product":"siprotec 5 communication module eth-bd-2fo"},{"vendor":"siemens","product":"siprotec 5 compact 7sx800 (cp050)"},{"vendor":"siemens","product":"siprotec_5_6md85_firmware"},{"vendor":"siemens","product":"siprotec_5_6md86_firmware"},{"vendor":"siemens","product":"siprotec_5_6md89_firmware"},{"vendor":"siemens","product":"siprotec_5_6mu85_firmware"},{"vendor":"siemens","product":"siprotec_5_7ke85_firmware"},{"vendor":"siemens","product":"siprotec_5_7sa82_firmware"},{"vendor":"siemens","product":"siprotec_5_7sa84_firmware"},{"vendor":"siemens","product":"siprotec_5_7sa86_firmware"},{"vendor":"siemens","product":"siprotec_5_7sa87_firmware"},{"vendor":"siemens","product":"siprotec_5_7sd82_firmware"},{"vendor":"siemens","product":"siprotec_5_7sd84_firmware"},{"vendor":"siemens","product":"siprotec_5_7sd86_firmware"},{"vendor":"siemens","product":"siprotec_5_7sd87_firmware"},{"vendor":"siemens","product":"siprotec_5_7sj81_firmware"},{"vendor":"siemens","product":"siprotec_5_7sj82_firmware"},{"vendor":"siemens","product":"siprotec_5_7sj85_firmware"},{"vendor":"siemens","product":"siprotec_5_7sj86_firmware"},{"vendor":"siemens","product":"siprotec_5_7sk82_firmware"},{"vendor":"siemens","product":"siprotec_5_7sk85_firmware"},{"vendor":"siemens","product":"siprotec_5_7sl82_firmware"},{"vendor":"siemens","product":"siprotec_5_7sl86_firmware"},{"vendor":"siemens","product":"siprotec_5_7sl87_firmware"},{"vendor":"siemens","product":"siprotec_5_7ss85_firmware"},{"vendor":"siemens","product":"siprotec_5_7st85_firmware"},{"vendor":"siemens","product":"siprotec_5_7st86_firmware"},{"vendor":"siemens","product":"siprotec_5_7sx82_firmware"},{"vendor":"siemens","product":"siprotec_5_7sx85_firmware"},{"vendor":"siemens","product":"siprotec_5_7um85_firmware"},{"vendor":"siemens","product":"siprotec_5_7ut82_firmware"},{"vendor":"siemens","product":"siprotec_5_7ut85_firmware"},{"vendor":"siemens","product":"siprotec_5_7ut86_firmware"},{"vendor":"siemens","product":"siprotec_5_7ut87_firmware"},{"vendor":"siemens","product":"siprotec_5_7ve85_firmware"},{"vendor":"siemens","product":"siprotec_5_7vk87_firmware"},{"vendor":"siemens","product":"siprotec_5_7vu85_firmware"},{"vendor":"siemens","product":"siprotec_5_communication_module_ethba2el_firmware"},{"vendor":"siemens","product":"siprotec_5_communication_module_ethbb2fo_firmware"},{"vendor":"siemens","product":"siprotec_5_communication_module_ethbd2fo_firmware"},{"vendor":"siemens","product":"siprotec_5_compact_7sx800_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-322980.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-322980.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-28766"},{"url":"https://github.com/advisories/GHSA-frg8-xf9g-3fjf"}],"sources":{"cve":[{"id":"CVE-2023-28766","description":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD89 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 6MU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7KE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SA82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SA86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SD82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SK82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SK82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SK85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SL82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SL86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SS85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7ST85 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 7ST86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SX82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SX85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UM85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7UT82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7UT85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VK87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions \u003c V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions \u003c V9.40). Affected devices lack proper validation of http request parameters of the hosted web service.\r\nAn unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.","status":"published","published":"2023-04-11T09:03:05.547Z","modified":"2025-11-11T20:20:07.076Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"high","assessor":"cna"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:35:32.752775Z"}],"euvd":[{"id":"EUVD-2023-32401","description":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD89 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 6MU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7KE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SA82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SA86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SD82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SK82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SK82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SK85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SL82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SL86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SS85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7ST85 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 7ST86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SX82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SX85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UM85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7UT82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7UT85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VK87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions \u003c V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions \u003c V9.40). Affected devices lack proper validation of http request parameters of the hosted web service.\r\nAn unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.","status":"published","published":"2023-04-11T09:03:05Z","modified":"2025-11-11T20:20:07Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-02T19:49:18.896005Z"}],"ghsa":[{"id":"GHSA-frg8-xf9g-3fjf","title":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 ...","description":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP200) (All versions), SIPROTEC 5 6MD85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 6MD86 (CP200) (All versions), SIPROTEC 5 6MD86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 6MD89 (CP300) (All versions), SIPROTEC 5 6MU85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7KE85 (CP200) (All versions), SIPROTEC 5 7KE85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SA82 (CP100) (All versions), SIPROTEC 5 7SA82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SA84 (CP200) (All versions), SIPROTEC 5 7SA86 (CP200) (All versions), SIPROTEC 5 7SA86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SA87 (CP200) (All versions), SIPROTEC 5 7SA87 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SD82 (CP100) (All versions), SIPROTEC 5 7SD82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SD84 (CP200) (All versions), SIPROTEC 5 7SD86 (CP200) (All versions), SIPROTEC 5 7SD86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SD87 (CP200) (All versions), SIPROTEC 5 7SD87 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions), SIPROTEC 5 7SJ81 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions), SIPROTEC 5 7SJ82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ85 (CP200) (All versions), SIPROTEC 5 7SJ85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SJ86 (CP200) (All versions), SIPROTEC 5 7SJ86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SK82 (CP100) (All versions), SIPROTEC 5 7SK82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SK85 (CP200) (All versions), SIPROTEC 5 7SK85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SL82 (CP100) (All versions), SIPROTEC 5 7SL82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SL86 (CP200) (All versions), SIPROTEC 5 7SL86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SL87 (CP200) (All versions), SIPROTEC 5 7SL87 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SS85 (CP200) (All versions), SIPROTEC 5 7SS85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7ST85 (CP200) (All versions), SIPROTEC 5 7ST85 (CP300) (All versions), SIPROTEC 5 7ST86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7SX82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SX85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7UM85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7UT82 (CP100) (All versions), SIPROTEC 5 7UT82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7UT85 (CP200) (All versions), SIPROTEC 5 7UT85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7UT86 (CP200) (All versions), SIPROTEC 5 7UT86 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7UT87 (CP200) (All versions), SIPROTEC 5 7UT87 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7VE85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7VK87 (CP200) (All versions), SIPROTEC 5 7VK87 (CP300) (All versions \u003c V9.40), SIPROTEC 5 7VU85 (CP300) (All versions \u003c V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (All versions \u003c V9.40), SIPROTEC 5 Communication Module ETH-BB-2FO (All versions \u003c V9.40), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions \u003c V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions \u003c V9.40). Affected devices lack proper validation of http request parameters of the hosted web service.\nAn unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.","status":"published","published":"2023-04-11T12:30:26Z","modified":"2024-03-22T05:00:57Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:55:42.57954Z"}],"nvd":[{"id":"CVE-2023-28766","description":"A vulnerability has been identified in SIPROTEC 5 6MD85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 6MD89 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 6MU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7KE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SA82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SA86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SA87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SD82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SD86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SD87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ81 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ81 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SJ82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SJ85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SJ86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SK82 (CP100) (All versions \u003c V8.89), SIPROTEC 5 7SK82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SK85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7SL82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SL86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SL87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SS85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7ST85 (CP300) (All versions \u003e= V7.80 \u003c V9.64), SIPROTEC 5 7ST86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7SX82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7SX85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UM85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT82 (CP100) (All versions \u003c V8.90), SIPROTEC 5 7UT82 (CP150) (All versions \u003c V9.40), SIPROTEC 5 7UT85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT86 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7UT87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VE85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VK87 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 7VU85 (CP300) (All versions \u003e= V7.80 \u003c V9.40), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BA-2EL (Rev.1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V9.40 installed on CP150 and CP300 devices), SIPROTEC 5 Communication Module ETH-BB-2FO (Rev. 1) (All versions \u003c V8.89 installed on CP100 devices), SIPROTEC 5 Communication Module ETH-BD-2FO (All versions \u003c V9.40), SIPROTEC 5 Compact 7SX800 (CP050) (All versions \u003c V9.40). Affected devices lack proper validation of http request parameters of the hosted web service.\r\nAn unauthenticated remote attacker could send specially crafted packets that could cause denial of service condition of the target device.","status":"published","published":"2023-04-11T10:15:18.337Z","modified":"2026-06-17T05:48:43.33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-476"],"updated_at":"2026-11-02T14:07:53.719171Z"}]}}