{"id":"CVE-2026-27663","state":"PUBLISHED","title":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains d","description":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality.","publishedAt":"2026-03-26T14:03:20.787Z","updatedAt":"2026-04-14T18:24:38.079Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","source":"siemens"},"assigner":"siemens","products":["Siemens CPCI85 Central Processing/Communication","Siemens RTUM85 RTU Base"],"affected":[{"vendor":"Siemens","product":"CPCI85 Central Processing/Communication","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.10","versionType":"custom"}]},{"vendor":"Siemens","product":"RTUM85 RTU Base","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.10","versionType":"custom"}]}],"references":["https://cert-portal.siemens.com/productcert/html/ssa-246443.html","http://seclists.org/fulldisclosure/2026/Apr/6"],"weaknesses":["CWE-770"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/27xxx/CVE-2026-27663.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-27663","state":"PUBLISHED","datePublished":"2026-03-26T14:03:20.787Z","dateUpdated":"2026-04-14T18:24:38.079Z","assignerShortName":"siemens","assignerOrgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateReserved":"2026-02-23T10:07:00.530Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A vulnerability has been identified in CPCI85 Central Processing/Communication (All versions < V26.10), RTUM85 RTU Base (All versions < V26.10). The affected application contains denial-of-service (DoS) vulnerability. The remote operation mode is susceptible to a resource exhaustion condition when subjected to a high volume of requests. Sending multiple requests can exhaust resources, preventing parameterization and requiring a reset or reboot to restore functionality."}],"affected":[{"vendor":"Siemens","product":"CPCI85 Central Processing/Communication","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.10","versionType":"custom"}]},{"vendor":"Siemens","product":"RTUM85 RTU Base","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"V26.10","versionType":"custom"}]}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-246443.html"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":6.5,"baseSeverity":"MEDIUM"}},{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","baseScore":7.1,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"siemens","orgId":"cec7a2ec-15b4-4faf-bd53-b40f371f3a77","dateUpdated":"2026-03-26T14:03:20.787Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-28T02:21:26.495215Z","id":"CVE-2026-27663","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":"2026-03-28T02:21:37.494Z"}},{"title":"CVE Program Container","references":[{"url":"http://seclists.org/fulldisclosure/2026/Apr/6"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-04-14T18:24:38.079Z"}}]}}}