{"id":"CVE-2022-34819","aliases":["EUVD-2022-37725","GHSA-x7cp-9x6c-2mm8"],"status":"published","title":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions), SIMATIC CP 1243-1 ...","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions \u003c V3.3.46), SIMATIC CP 1243-1 (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE US (All versions \u003c V3.3.46), SIMATIC CP 1243-8 IRC (All versions \u003c V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions \u003e= V2.0 \u003c V2.2.28), SIMATIC CP 1543-1 (All versions \u003c V3.0.22), SIMATIC CP 1543SP-1 (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions \u003c V3.3.46), SIPLUS NET CP 1543-1 (All versions \u003c V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions \u003c V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions \u003c V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.","severity":{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.02083,"percentile":0.81689,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2022-07-12T10:07:27Z","modified":"2026-06-17T04:50:58Z","products":[{"vendor":"siemens","product":"simatic cp 1242-7 v2"},{"vendor":"siemens","product":"simatic cp 1243-1"},{"vendor":"siemens","product":"simatic cp 1243-7 lte eu"},{"vendor":"siemens","product":"simatic cp 1243-7 lte us"},{"vendor":"siemens","product":"simatic cp 1243-8 irc"},{"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_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_eu_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_us_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-8_irc_firmware"},{"vendor":"siemens","product":"simatic_cp_1542sp-1_irc_firmware"},{"vendor":"siemens","product":"simatic_cp_1543-1_firmware"},{"vendor":"siemens","product":"simatic_cp_1543sp-1_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 1242-7 v2"},{"vendor":"siemens","product":"siplus net cp 1543-1"},{"vendor":"siemens","product":"siplus s7-1200 cp 1243-1"},{"vendor":"siemens","product":"siplus s7-1200 cp 1243-1 rail"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1543sp-1_isec_firmware"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware"},{"vendor":"siemens","product":"siplus_net_cp_1242-7_v2_firmware"},{"vendor":"siemens","product":"siplus_net_cp_1543-1_firmware"},{"vendor":"siemens","product":"siplus_s7-1200_cp_1243-1_firmware"},{"vendor":"siemens","product":"siplus_s7-1200_cp_1243-1_rail_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf","tags":["x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-34819"},{"url":"https://github.com/advisories/GHSA-x7cp-9x6c-2mm8"}],"sources":{"cve":[{"id":"CVE-2022-34819","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions \u003c V3.3.46), SIMATIC CP 1243-1 (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE US (All versions \u003c V3.3.46), SIMATIC CP 1243-8 IRC (All versions \u003c V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions \u003e= V2.0 \u003c V2.2.28), SIMATIC CP 1543-1 (All versions \u003c V3.0.22), SIMATIC CP 1543SP-1 (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions \u003c V3.3.46), SIPLUS NET CP 1543-1 (All versions \u003c V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions \u003c V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions \u003c V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.","status":"published","published":"2022-07-12T10:07:27Z","modified":"2025-04-21T13:51:38.353Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical","assessor":"cna"}],"cwes":["CWE-122"],"updated_at":"2026-11-02T14:34:42.028422Z"}],"euvd":[{"id":"EUVD-2022-37725","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions \u003c V3.3.46), SIMATIC CP 1243-1 (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE US (All versions \u003c V3.3.46), SIMATIC CP 1243-8 IRC (All versions \u003c V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions \u003e= V2.0 \u003c V2.2.28), SIMATIC CP 1543-1 (All versions \u003c V3.0.22), SIMATIC CP 1543SP-1 (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions \u003c V3.3.46), SIPLUS NET CP 1543-1 (All versions \u003c V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions \u003c V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions \u003c V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.","status":"published","published":"2022-07-12T10:07:27Z","modified":"2025-04-21T13:51:38Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C","level":"critical"}],"updated_at":"2026-11-02T20:52:18.663123Z"}],"ghsa":[{"id":"GHSA-x7cp-9x6c-2mm8","title":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions), SIMATIC CP 1243-1 ...","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions), SIMATIC CP 1243-1 (All versions), SIMATIC CP 1243-7 LTE EU (All versions), SIMATIC CP 1243-7 LTE US (All versions), SIMATIC CP 1243-8 IRC (All versions), SIMATIC CP 1542SP-1 IRC (All versions \u003e= V2.0), SIMATIC CP 1543-1 (All versions \u003c V3.0.22), SIMATIC CP 1543SP-1 (All versions \u003e= V2.0), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions \u003e= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions \u003e= V2.0), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions \u003e= V2.0), SIPLUS NET CP 1242-7 V2 (All versions), SIPLUS NET CP 1543-1 (All versions \u003c V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions), SIPLUS S7-1200 CP 1243-1 RAIL (All versions). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.","status":"published","published":"2022-07-13T00:01:56Z","modified":"2023-03-14T12:30:55Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:54:20.362756Z"}],"nvd":[{"id":"CVE-2022-34819","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions \u003c V3.3.46), SIMATIC CP 1243-1 (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions \u003c V3.3.46), SIMATIC CP 1243-7 LTE US (All versions \u003c V3.3.46), SIMATIC CP 1243-8 IRC (All versions \u003c V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions \u003e= V2.0 \u003c V2.2.28), SIMATIC CP 1543-1 (All versions \u003c V3.0.22), SIMATIC CP 1543SP-1 (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions \u003e= V2.0 \u003c V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions \u003c V3.3.46), SIPLUS NET CP 1543-1 (All versions \u003c V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions \u003c V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions \u003c V3.3.46). The application lacks proper validation of user-supplied data when parsing specific messages. This could result in a heap-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of device.","status":"published","published":"2022-07-12T10:15:12.293Z","modified":"2026-06-17T04:50:58.783Z","cvss":[{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":10,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-122","CWE-787"],"updated_at":"2026-11-02T14:07:23.322724Z"}]}}