{"cve":"CVE-2022-34820","nvd":{"published":"2022-07-12T10:15:12.343","modified":"2026-06-17T04:50:58.927","status":"Modified","description":"A vulnerability has been identified in SIMATIC CP 1242-7 V2 (All versions < V3.3.46), SIMATIC CP 1243-1 (All versions < V3.3.46), SIMATIC CP 1243-7 LTE EU (All versions < V3.3.46), SIMATIC CP 1243-7 LTE US (All versions < V3.3.46), SIMATIC CP 1243-8 IRC (All versions < V3.3.46), SIMATIC CP 1542SP-1 IRC (All versions >= V2.0 < V2.2.28), SIMATIC CP 1543-1 (All versions < V3.0.22), SIMATIC CP 1543SP-1 (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC (All versions >= V2.0 < V2.2.28), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (All versions >= V2.0 < V2.2.28), SIPLUS NET CP 1242-7 V2 (All versions < V3.3.46), SIPLUS NET CP 1543-1 (All versions < V3.0.22), SIPLUS S7-1200 CP 1243-1 (All versions < V3.3.46), SIPLUS S7-1200 CP 1243-1 RAIL (All versions < V3.3.46). The application does not correctly escape some user provided fields during the authentication process. This could allow an attacker to inject custom commands and execute arbitrary code with elevated privileges.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H","score":8.4},"cwes":["CWE-116","CWE-77"],"references":["https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf","https://cert-portal.siemens.com/productcert/pdf/ssa-517377.pdf"],"products":["siemens:simatic_cp_1242-7_v2_firmware","siemens:simatic_cp_1243-1_firmware","siemens:simatic_cp_1243-7_lte_eu_firmware","siemens:simatic_cp_1243-7_lte_us_firmware","siemens:simatic_cp_1243-8_irc_firmware","siemens:simatic_cp_1542sp-1_irc_firmware","siemens:simatic_cp_1543-1_firmware","siemens:simatic_cp_1543sp-1_firmware","siemens:siplus_et_200sp_cp_1542sp-1_irc_tx_rail_firmware","siemens:siplus_et_200sp_cp_1543sp-1_isec_firmware","siemens:siplus_et_200sp_cp_1543sp-1_isec_tx_rail_firmware","siemens:siplus_net_cp_1242-7_v2_firmware","siemens:siplus_net_cp_1543-1_firmware","siemens:siplus_s7-1200_cp_1243-1_firmware","siemens:siplus_s7-1200_cp_1243-1_rail_firmware"],"source":"nvd","synced_at":"2026-10-19T21:33:44.859608815+00:00"},"epss":{"cve":"CVE-2022-34820","score":0.02217,"percentile":0.82645,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}