{"id":"CVE-2025-40771","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIM","description":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data.","publishedAt":"2025-10-14T09:15:17.564Z","updatedAt":"2025-10-14T18:59:41.570Z","severity":{"score":9.3,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"siemens"},"assigner":"siemens","products":["Siemens SIMATIC CP 1542SP-1","Siemens SIMATIC CP 1542SP-1 IRC","Siemens SIMATIC CP 1543SP-1","Siemens SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL","Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC","Siemens SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL"],"affected":[{"vendor":"Siemens","product":"SIMATIC CP 1542SP-1","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC CP 1542SP-1 IRC","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC CP 1543SP-1","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS ET 200SP CP 1543SP-1 ISEC","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-486936.html"],"weaknesses":["CWE-306"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40771.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-40771","state":"PUBLISHED","datePublished":"2025-10-14T09:15:17.564Z","dateUpdated":"2025-10-14T18:59:41.570Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2025-04-16T08:39:30.033Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC CP 1542SP-1 (6GK7542-6UX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1542SP-1 IRC (6GK7542-6VX00-0XE0) (All versions < V2.4.24), SIMATIC CP 1543SP-1 (6GK7543-6WX00-0XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL (6AG2542-6VX00-4XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC (6AG1543-6WX00-7XE0) (All versions < V2.4.24), SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL (6AG2543-6WX00-4XE0) (All versions < V2.4.24). Affected devices do not properly authenticate configuration connections. This could allow an unauthenticated remote attacker to access the configuration data."}],"affected":[{"vendor":"Siemens","product":"SIMATIC CP 1542SP-1","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC CP 1542SP-1 IRC","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC CP 1543SP-1","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS ET 200SP CP 1542SP-1 IRC TX RAIL","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS ET 200SP CP 1543SP-1 ISEC","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]},{"vendor":"Siemens","product":"SIPLUS ET 200SP CP 1543SP-1 ISEC TX RAIL","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.4.24","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-486936.html"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}},{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":9.3,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-306","lang":"en","description":"CWE-306: Missing Authentication for Critical Function","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2025-10-14T09:15:17.564Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-10-14T18:59:33.962995Z","id":"CVE-2025-40771","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-14T18:59:41.570Z"}}]}}}