{"id":"CVE-2026-85114","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-85114","generatedAt":"2026-10-28T01:52:14.206Z","title":"A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.61).","description":"A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.61). Affected applications do not properly validate filenames received from remote servers during ticket downloads.\r\n\r\nThis could allow an attacker who can manipulate the ticket response to write arbitrary files outside the intended download directory and, when overwriting is enabled, replace existing files accessible to the application.","published":"2026-10-13T10:17:21.000Z","lastModified":"2026-10-16T22:18:25.000Z","status":"Deferred","sourceIdentifier":"productcert@siemens.com","cvss":{"version":"4.0","score":8.7,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-22"],"affected":[],"epss":{"score":0.0033,"percentile":0.25941,"date":"2026-10-26","history":[{"date":"2026-10-14","score":0.00442,"percentile":0.36844}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-13T10:17:21.000Z","detail":{"score":"8.7","severity":"HIGH","publishedAt":"2026-10-13T10:17:20.640Z"},"summary":"New CVE, high severity (CVSS 8.7)."}],"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-390352.html","source":"productcert@siemens.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-85114","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}