{"id":"CVE-2022-43767","aliases":["EUVD-2022-46737","GHSA-m9qx-f7m5-x2m6"],"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 (6GK7242-7KX31-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (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 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions \u003c V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions \u003c V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions \u003c V3.3), 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 NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions \u003c V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions \u003c V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions \u003c V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions \u003c V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions \u003c V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.","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":0.00723,"percentile":0.54303,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-833"],"published":"2023-04-11T09:02:50Z","modified":"2026-10-23T23:10:00Z","products":[{"vendor":"siemens","product":"simatic cp 1242-7 v2"},{"vendor":"siemens","product":"simatic cp 1243-1"},{"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 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"},{"vendor":"siemens","product":"simatic cp 1542sp-1 irc"},{"vendor":"siemens","product":"simatic cp 1543sp-1"},{"vendor":"siemens","product":"simatic cp 443-1"},{"vendor":"siemens","product":"simatic cp 443-1 advanced"},{"vendor":"siemens","product":"simatic_cp_1242-7_v2"},{"vendor":"siemens","product":"simatic_cp_1242-7_v2_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-1"},{"vendor":"siemens","product":"simatic_cp_1243-1_dnp3"},{"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"},{"vendor":"siemens","product":"simatic_cp_1243-1_iec_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_eu"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_eu_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_us"},{"vendor":"siemens","product":"simatic_cp_1243-7_lte_us_firmware"},{"vendor":"siemens","product":"simatic_cp_1243-8_irc"},{"vendor":"siemens","product":"simatic_cp_1243-8_irc_firmware"},{"vendor":"siemens","product":"simatic_cp_1542sp-1"},{"vendor":"siemens","product":"simatic_cp_1542sp-1_firmware"},{"vendor":"siemens","product":"simatic_cp_1542sp-1_irc"},{"vendor":"siemens","product":"simatic_cp_1542sp-1_irc_firmware"},{"vendor":"siemens","product":"simatic_cp_1543sp-1"},{"vendor":"siemens","product":"simatic_cp_1543sp-1_firmware"},{"vendor":"siemens","product":"simatic_cp_443-1"},{"vendor":"siemens","product":"simatic_cp_443-1_advanced"},{"vendor":"siemens","product":"simatic_cp_443-1_advanced_firmware"},{"vendor":"siemens","product":"simatic_cp_443-1_firmware"},{"vendor":"siemens","product":"simatic_ipc_diagbase_firmware"},{"vendor":"siemens","product":"simatic_ipc_diagmonitor_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 443-1"},{"vendor":"siemens","product":"siplus net cp 443-1 advanced"},{"vendor":"siemens","product":"siplus s7-1200 cp 1243-1"},{"vendor":"siemens","product":"siplus s7-1200 cp 1243-1 rail"},{"vendor":"siemens","product":"siplus tim 1531 irc"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1542sp-1_irc_tx_rail"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1543sp-1_isec"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1543sp-1_isec_firmware"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1543sp-1_isec_tx_rail"},{"vendor":"siemens","product":"siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware"},{"vendor":"siemens","product":"siplus_net_cp_1242-7_v2"},{"vendor":"siemens","product":"siplus_net_cp_1242-7_v2_firmware"},{"vendor":"siemens","product":"siplus_net_cp_443-1"},{"vendor":"siemens","product":"siplus_net_cp_443-1_advanced"},{"vendor":"siemens","product":"siplus_net_cp_443-1_advanced_firmware"},{"vendor":"siemens","product":"siplus_net_cp_443-1_firmware"},{"vendor":"siemens","product":"siplus_s7-1200_cp_1243-1"},{"vendor":"siemens","product":"siplus_s7-1200_cp_1243-1_firmware"},{"vendor":"siemens","product":"siplus_s7-1200_cp_1243-1_rail"},{"vendor":"siemens","product":"siplus_s7-1200_cp_1243-1_rail_firmware"},{"vendor":"siemens","product":"siplus_tim_1531_irc"},{"vendor":"siemens","product":"siplus_tim_1531_irc_firmware"},{"vendor":"siemens","product":"tim 1531 irc"},{"vendor":"siemens","product":"tim_1531_irc"},{"vendor":"siemens","product":"tim_1531_irc_firmware"}],"references":[{"url":"https://cert-portal.siemens.com/productcert/pdf/ssa-566905.pdf","tags":["x_transferred","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-139628.html","tags":["x_transferred"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-566905.html","tags":["x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-43767"},{"url":"https://github.com/advisories/GHSA-m9qx-f7m5-x2m6"}],"sources":{"cve":[{"id":"CVE-2022-43767","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (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 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions \u003c V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions \u003c V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions \u003c V3.3), 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 NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions \u003c V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions \u003c V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions \u003c V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions \u003c V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions \u003c V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.","status":"published","published":"2023-04-11T09:02:50.497Z","modified":"2024-09-10T09:33:33.351Z","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-833"],"updated_at":"2026-11-02T14:34:25.618175Z"}],"euvd":[{"id":"EUVD-2022-46737","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (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 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions \u003c V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions \u003c V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions \u003c V3.3), 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 NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions \u003c V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions \u003c V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions \u003c V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions \u003c V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions \u003c V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.","status":"published","published":"2023-04-11T09:02:50Z","modified":"2024-09-10T09:33:33Z","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/E:P/RL:O/RC:C","level":"high"}],"updated_at":"2026-11-03T00:56:00.258951Z"}],"ghsa":[{"id":"GHSA-m9qx-f7m5-x2m6","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 1243-1 DNP3 (incl. SIPLUS variants) (All versions), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (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 (All versions), SIMATIC CP 1542SP-1 IRC (All versions), SIMATIC CP 1543SP-1 (All versions), SIMATIC CP 443-1 (All versions \u003c V3.3), SIMATIC CP 443-1 (All versions \u003c V3.3), SIMATIC CP 443-1 Advanced (All versions \u003c V3.3), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions), SIPLUS NET CP 1242-7 V2 (All versions), SIPLUS NET CP 443-1 (All versions \u003c V3.3), SIPLUS NET CP 443-1 Advanced (All versions \u003c V3.3), SIPLUS S7-1200 CP 1243-1 (All versions), SIPLUS S7-1200 CP 1243-1 RAIL (All versions), SIPLUS TIM 1531 IRC (All versions \u003c V2.3.6), TIM 1531 IRC (All versions \u003c V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.","status":"published","published":"2023-04-11T12:30:26Z","modified":"2024-06-11T09:32:46Z","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-833"],"updated_at":"2026-11-02T14:57:27.150795Z"}],"nvd":[{"id":"CVE-2022-43767","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (6GK7242-7KX31-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 (6GK7243-1BX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE EU (6GK7243-7KX30-0XE0) (All versions \u003c V3.4.29), SIMATIC CP 1243-7 LTE US (6GK7243-7SX30-0XE0) (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 1543SP-1 (6GK7543-6WX00-0XE0) (All versions \u003c V2.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE0) (All versions \u003c V3.3), SIMATIC CP 443-1 (6GK7443-1EX30-0XE1) (All versions \u003c V3.3), SIMATIC CP 443-1 Advanced (6GK7443-1GX30-0XE0) (All versions \u003c V3.3), 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 NET CP 1242-7 V2 (6AG1242-7KX31-7XE0) (All versions \u003c V3.4.29), SIPLUS NET CP 443-1 (6AG1443-1EX30-4XE0) (All versions \u003c V3.3), SIPLUS NET CP 443-1 Advanced (6AG1443-1GX30-4XE0) (All versions \u003c V3.3), SIPLUS S7-1200 CP 1243-1 (6AG1243-1BX30-2AX0) (All versions \u003c V3.4.29), SIPLUS S7-1200 CP 1243-1 RAIL (6AG2243-1BX30-1XE0) (All versions \u003c V3.4.29), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions \u003c V2.3.6), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions \u003c V2.3.6). The webserver of the affected products contains a vulnerability that may lead to a denial of service condition. An attacker may cause a denial of service situation of the webserver of the affected product.","status":"published","published":"2023-04-11T10:15:17.54Z","modified":"2026-10-23T23:10:00.157Z","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-833"],"updated_at":"2026-11-02T14:07:37.020555Z"}]}}