{"id":"CVE-2017-9811","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-9811","generatedAt":"2026-10-28T20:09:58.439Z","title":"The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312).","description":"The kluser is able to interact with the kav4fs-control binary in Kaspersky Anti-Virus for Linux File Server before Maintenance Pack 2 Critical Fix 4 (version 8.0.4.312). By abusing the quarantine read and write operations, it is possible to elevate the privileges to root.","published":"2017-07-17T21:29:01.000Z","lastModified":"2026-06-17T01:28:58.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-20"],"affected":["kaspersky/anti-virus for linux server"],"epss":{"score":0.10474,"percentile":0.95727,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.07507,"percentile":0.94304},{"date":"2026-09-22","score":0.10474,"percentile":0.95541}]},"kev":{"listed":false},"exploits":{"count":1,"verified":true,"firstPublished":"2017-06-28","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":42269,"kind":"exploit","title":"Kaspersky Anti-Virus File Server 8.0.3.297 - Multiple Vulnerabilities","url":"https://www.exploit-db.com/exploits/42269","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/webapps/42269.txt","file":"exploits/linux/webapps/42269.txt","published":"2017-06-28","added":"2017-06-28","updated":"2017-06-28","author":"Core Security","type":"webapps","platform":"linux","port":null,"verified":true,"codes":["CVE-2017-9813","CVE-2017-9812","CVE-2017-9811","CVE-2017-9810"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 10.5%, higher than 96% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-22T00:00:00.000Z","detail":{"to":0.10474,"from":0.07507,"percentile":0.95541},"summary":"EPSS moved from 7.5% to 10.5% probability of exploitation in the next thirty days."}],"references":[{"url":"http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://seclists.org/fulldisclosure/2017/Jun/33","tags":["Exploit","Mailing List","Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/99330","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id/1038798","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.coresecurity.com/advisories/kaspersky-anti-virus-file-server-multiple-vulnerabilities","tags":["Exploit","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/42269/","source":"cve@mitre.org"},{"url":"http://packetstormsecurity.com/files/143190/Kaspersky-Anti-Virus-File-Server-8.0.3.297-XSS-CSRF-Code-Execution.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://seclists.org/fulldisclosure/2017/Jun/33","tags":["Exploit","Mailing List","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/99330","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id/1038798","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.coresecurity.com/advisories/kaspersky-anti-virus-file-server-multiple-vulnerabilities","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/42269/","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-9811","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."}