{"id":"CVE-2026-54799","state":"PUBLISHED","title":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application conta","description":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains a vulnerability in its firmware update mechanism's signature validation process. This could allow an attacker to install malicious firmware, leading to persistent code execution and system compromise.","publishedAt":"2026-07-09T14:15:52.247Z","updatedAt":"2026-07-09T14:46:38.615Z","severity":{"score":8.4,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","source":"siemens"},"assigner":"siemens","products":["Siemens CPCI85 Central Processing/Communication","Siemens SICORE Base system"],"affected":[{"vendor":"Siemens","product":"CPCI85 Central Processing/Communication","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.20","versionType":"custom"}]},{"vendor":"Siemens","product":"SICORE Base system","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.20.0","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-229470.html"],"weaknesses":["CWE-489"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54799.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54799","state":"PUBLISHED","datePublished":"2026-07-09T14:15:52.247Z","dateUpdated":"2026-07-09T14:46:38.615Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2026-06-16T07:47:12.273Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.20), SICORE Base system (All versions < V26.20.0). The affected application contains a vulnerability in its firmware update mechanism's signature validation process. This could allow an attacker to install malicious firmware, leading to persistent code execution and system compromise."}],"affected":[{"vendor":"Siemens","product":"CPCI85 Central Processing/Communication","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.20","versionType":"custom"}]},{"vendor":"Siemens","product":"SICORE Base system","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.20.0","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-229470.html"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","baseScore":6.7,"baseSeverity":"MEDIUM"}},{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","baseScore":8.4,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-489","lang":"en","description":"CWE-489: Active Debug Code","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2026-07-09T14:15:52.247Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T14:46:32.476491Z","id":"CVE-2026-54799","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-09T14:46:38.615Z"}}]}}}