{"schemaVersion":3,"id":"CVE-2021-22652","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Access to the Advantech iView versions prior to v5.7.03.6112 configuration are missing authentication, which may allow an unauthorized attacker to change the configuration and obtain code execution.","dates":{"published":"2021-02-11T16:06:38.000Z","modified":"2024-08-03T18:51:06.045Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.36845,"percentile":0.98507,"severity":"high","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.36845},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.36845,"percentile":0.98507}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.36845,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.36845,"percentile":0.98507}]},"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":[{"id":"REF_BBFDF7707A2B2067","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/161937/Advantech-iView-Unauthenticated-Remote-Code-Execution.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"MSF_EXPLOIT_WINDOWS_HTTP_ADVANTECH_IVIEW_UNAUTH_RCE","name":"Advantech iView Unauthenticated Remote Code Execution","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/exploit/windows/http/advantech_iview_unauth_rce.rb","maturity":"weaponized","reliabilityScore":1,"verified":true,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"exploit/windows/http/advantech_iview_unauth_rce","rank":"600","rankName":"excellent","postAuth":false,"check":true,"stability":["crash-safe"],"sideEffects":["ioc-in-logs","config-changes","artifacts-on-disk"],"reliability":["repeatable-session"]}}],"exploitCount":2,"weaknesses":[{"id":"CWE-306","name":"Missing Authentication for Critical Function","description":"The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/306.html"}],"affected":[{"vendor":"advantech","product":"iview","name":"iview","label":"iview","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"< 5.7.03.6112","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.7.03.6112","eol":null,"hubHref":"/vendor/advantech/iview"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-040-02","label":"us-cert.cisa.gov/ics/advisories/icsa-21-040-02","hostname":"us-cert.cisa.gov","tags":["X Refsource MISC","Third Party Advisory","US Government Resource"]},{"url":"http://packetstormsecurity.com/files/161937/Advantech-iView-Unauthenticated-Remote-Code-Execution.html","label":"packetstormsecurity.com/files/161937/Advantech-iView-Unauthenticated-Remote-Code-Execution.html","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-02-11T16:06:38.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T18:51:06.045Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-22T08:28:45.511Z","stale":false,"partial":false}}