{"id":"CVE-2025-40795","state":"PUBLISHED","title":"A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Manag","description":"A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a stack-based buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to execute arbitrary code or to cause a denial of service condition.","publishedAt":"2025-09-09T08:48:00.987Z","updatedAt":"2026-06-09T08:46:44.543Z","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 PCS neo V4.1","Siemens SIMATIC PCS neo V5.0","Siemens SIMATIC PCS neo V6.0","Siemens User Management Component (UMC)"],"affected":[{"vendor":"Siemens","product":"SIMATIC PCS neo V4.1","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC PCS neo V5.0","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC PCS neo V6.0","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V6.0 SP1 Update 1","versionType":"custom"}]},{"vendor":"Siemens","product":"User Management Component (UMC)","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.15.1.3","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-722410.html"],"weaknesses":["CWE-121"],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/40xxx/CVE-2025-40795.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-40795","state":"PUBLISHED","datePublished":"2025-09-09T08:48:00.987Z","dateUpdated":"2026-06-09T08:46:44.543Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2025-04-16T08:50:26.972Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SIMATIC PCS neo V6.0 (All versions < V6.0 SP1 Update 1), User Management Component (UMC) (All versions < V2.15.1.3). Affected products contain a stack-based buffer overflow vulnerability in the integrated UMC component. This could allow an unauthenticated remote attacker to execute arbitrary code or to cause a denial of service condition."}],"affected":[{"vendor":"Siemens","product":"SIMATIC PCS neo V4.1","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC PCS neo V5.0","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"*","versionType":"custom"}]},{"vendor":"Siemens","product":"SIMATIC PCS neo V6.0","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V6.0 SP1 Update 1","versionType":"custom"}]},{"vendor":"Siemens","product":"User Management Component (UMC)","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V2.15.1.3","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-722410.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-121","lang":"en","description":"CWE-121: Stack-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2026-06-09T08:46:44.543Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-09-09T19:35:09.103555Z","id":"CVE-2025-40795","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":"2025-09-09T19:35:17.630Z"}}]}}}