{"schemaVersion":3,"id":"CVE-2026-85115","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages.\n\nThis could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.","dates":{"published":"2026-10-13T09:18:58.597Z","modified":"2026-10-14T13:47:18.848Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.8,"severity":"medium","version":"4.0","versionLabel":"v4.0","source":"CVE.org","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"4.0","versionLabel":"v4.0","source":"CVE.org","score":6.8,"severity":"medium","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"4.0","versionLabel":"v4.0","source":"NVD","score":6.8,"severity":"medium","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.5,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00151,"percentile":0.03888,"severity":"low","asOf":"2026-10-18T00:00:00.000Z","change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[{"date":"2026-10-14T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00151,"percentile":0.03888}],"last30":[{"date":"2026-10-14T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00151,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00151,"percentile":0.03888}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-209","name":"Generation of Error Message Containing Sensitive Information","description":"The product generates an error message that includes sensitive information about its environment, users, or associated data.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/209.html"}],"affected":[{"vendor":"siemens","product":".net client library for simatic s7 webserver api","name":".NET Client Library for SIMATIC S7 Webserver API","label":".net client library for simatic s7 webserver api","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< V3.3.62","noFixRecorded":false,"fixedIn":null}],"versionsText":"< V3.3.62","eol":null,"hubHref":"/vendor/siemens/net_client_library_for_simatic_s7_webserver_api"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://cert-portal.siemens.com/productcert/html/ssa-390352.html","label":"cert-portal.siemens.com/productcert/html/ssa-390352.html","hostname":"cert-portal.siemens.com","tags":[]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2026-10-13T09:18:58.597Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-10-14T13:47:18.848Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":27,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T02:35:18.723Z","stale":false,"partial":false}}