{"id":"CVE-2023-38380","aliases":["EUVD-2023-42197","GHSA-532g-fpxj-7pxx"],"status":"published","title":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions...","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE (All versions \u003c V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions \u003c V3.4.29), 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 1543-1 (6GK7543-1AX00-0XE0) (All versions \u003c V3.0.37), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SINAMICS S210 (6SL5...) (All versions \u003e= V6.1 \u003c V6.1 HF2), 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 NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions \u003c V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.\r\n\r\nAn attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.","severity":{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00956,"percentile":0.61908,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-401"],"published":"2023-12-12T11:26:36Z","modified":"2026-06-17T06:10:02Z","products":[{"vendor":"siemens","product":"6ag1543-1ax00-2xe0_firmware"},{"vendor":"siemens","product":"6gk7243-8rx30-0xe0_firmware"},{"vendor":"siemens","product":"6gk7543-1ax00-0xe0_firmware"},{"vendor":"siemens","product":"simatic cp 1242-7 v2 (incl. siplus variants)"},{"vendor":"siemens","product":"simatic cp 1243-1 (incl. siplus variants)"},{"vendor":"siemens","product":"simatic cp 1243-1 dnp3 (incl. siplus variants)"},{"vendor":"siemens","product":"simatic cp 1243-1 iec (incl. siplus variants)"},{"vendor":"siemens","product":"simatic cp 1243-7 lte"},{"vendor":"siemens","product":"simatic cp 1243-8 irc"},{"vendor":"siemens","product":"simatic cp 1542sp-1"},{"vendor":"siemens","product":"simatic cp 1542sp-1 irc"},{"vendor":"siemens","product":"simatic cp 1543-1"},{"vendor":"siemens","product":"simatic cp 1543sp-1"},{"vendor":"siemens","product":"simatic_cp_1242-7_v2_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-1_dnp3_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-1_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-1_iec_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_firmware"},{"vendor":"siemens","product":"sinamics s210 (6sl5...)"},{"vendor":"siemens","product":"sinamics_s210_firmware"},{"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 net cp 1543-1"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-693975.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-693975.html","tags":["x_transferred"]},{"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://nvd.nist.gov/vuln/detail/CVE-2023-38380"},{"url":"https://github.com/advisories/GHSA-532g-fpxj-7pxx"}],"sources":{"cve":[{"id":"CVE-2023-38380","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE (All versions \u003c V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions \u003c V3.4.29), 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 1543-1 (6GK7543-1AX00-0XE0) (All versions \u003c V3.0.37), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SINAMICS S210 (6SL5...) (All versions \u003e= V6.1 \u003c V6.1 HF2), 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 NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions \u003c V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.\r\n\r\nAn attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.","status":"published","published":"2023-12-12T11:26:36.173Z","modified":"2024-08-02T17:39:13.213Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"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-401"],"updated_at":"2026-11-02T14:35:29.772612Z"}],"euvd":[{"id":"EUVD-2023-42197","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE (All versions \u003c V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions \u003c V3.4.29), 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 1543-1 (6GK7543-1AX00-0XE0) (All versions \u003c V3.0.37), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SINAMICS S210 (6SL5...) (All versions \u003e= V6.1 \u003c V6.1 HF2), 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 NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions \u003c V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.\r\n\r\nAn attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.","status":"published","published":"2023-12-12T11:26:36Z","modified":"2024-08-02T17:39:13Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-03T03:50:02.733403Z"}],"ghsa":[{"id":"GHSA-532g-fpxj-7pxx","title":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions...","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-7 LTE (All versions), SIMATIC CP 1243-8 IRC (All versions), SIMATIC CP 1543-1 (All versions), SINAMICS S210 (6SL5...) (All versions \u003e= V6.1 \u003c V6.1 HF2), SIPLUS NET CP 1543-1 (All versions). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.\n\nAn attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.","status":"published","published":"2023-12-12T12:30:53Z","modified":"2024-06-11T12:31:02Z","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-401"],"updated_at":"2026-11-02T14:57:27.150795Z"}],"nvd":[{"id":"CVE-2023-38380","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE (All versions \u003c V3.4.29), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions \u003c V3.4.29), 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 1543-1 (6GK7543-1AX00-0XE0) (All versions \u003c V3.0.37), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SINAMICS S210 (6SL5...) (All versions \u003e= V6.1 \u003c V6.1 HF2), 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 NET CP 1543-1 (6AG1543-1AX00-2XE0) (All versions \u003c V3.0.37). The webserver implementation of the affected products does not correctly release allocated memory after it has been used.\r\n\r\nAn attacker with network access could use this vulnerability to cause a denial-of-service condition in the webserver of the affected product.","status":"published","published":"2023-12-12T12:15:11.477Z","modified":"2026-06-17T06:10:02.43Z","cvss":[{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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":"high","assessor":"secondary"},{"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-401"],"updated_at":"2026-11-02T14:08:54.010507Z"}]}}