{"id":"CVE-2023-50763","aliases":["EUVD-2023-55516","GHSA-2r3h-3xfx-74q9"],"status":"published","title":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c...","description":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions \u003c V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains.\r\n\r\nThis could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00387,"percentile":0.3325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-835"],"published":"2024-06-11T11:15:18Z","modified":"2026-06-17T06:39:55Z","products":[{"vendor":"siemens","product":"simatic cp 1542sp-1"},{"vendor":"siemens","product":"simatic cp 1542sp-1 irc"},{"vendor":"siemens","product":"simatic cp 1543sp-1"},{"vendor":"siemens","product":"siplus et 200sp cp 1542sp-1 irc tx rail"},{"vendor":"siemens","product":"siplus et 200sp cp 1543sp-1 isec"},{"vendor":"siemens","product":"siplus et 200sp cp 1543sp-1 isec tx rail"},{"vendor":"siemens","product":"siplus tim 1531 irc"},{"vendor":"siemens","product":"tim 1531 irc"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-139628.html","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-625862.html","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-337522.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-50763"},{"url":"https://github.com/advisories/GHSA-2r3h-3xfx-74q9"}],"sources":{"cve":[{"id":"CVE-2023-50763","description":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions \u003c V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains.\r\n\r\nThis could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.","status":"published","published":"2024-06-11T11:15:18.921Z","modified":"2024-08-02T22:16:47.27Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C","level":"medium","assessor":"cna"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:35:34.55015Z"}],"euvd":[{"id":"EUVD-2023-55516","description":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions \u003c V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains.\r\n\r\nThis could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.","status":"published","published":"2024-06-11T11:15:18Z","modified":"2024-08-02T22:16:47Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-03T03:26:07.661682Z"}],"ghsa":[{"id":"GHSA-2r3h-3xfx-74q9","title":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c...","description":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions \u003c V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains.\n\nThis could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.","status":"published","published":"2024-06-11T12:31:02Z","modified":"2024-06-11T12:31:11Z","cvss":[{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:57:27.679011Z"}],"nvd":[{"id":"CVE-2023-50763","description":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions \u003c V2.3), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions \u003c V2.3), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.4.8). The web server of affected products, if configured to allow the import of PKCS12 containers, could end up in an infinite loop when processing incomplete certificate chains.\r\n\r\nThis could allow an authenticated remote attacker to create a denial of service condition by importing specially crafted PKCS12 containers.","status":"published","published":"2024-06-11T12:15:13.763Z","modified":"2026-06-17T06:39:55.743Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-835"],"updated_at":"2026-11-02T14:09:17.205287Z"}]}}