{"id":"CVE-2021-31776","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-31776","generatedAt":"2026-10-27T22:32:21.026Z","title":"Aviatrix VPN Client before 2.14.14 on Windows has an unquoted search path that enables local privilege escalation to the SYSTEM user, if the machine is misconfigured to allow unprivileged users to write to directories that are supposed to be restricted…","description":"Aviatrix VPN Client before 2.14.14 on Windows has an unquoted search path that enables local privilege escalation to the SYSTEM user, if the machine is misconfigured to allow unprivileged users to write to directories that are supposed to be restricted to administrators.","published":"2021-04-29T01:15:08.000Z","lastModified":"2026-06-17T03:52:13.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-428"],"affected":["aviatrix/vpn client"],"epss":{"score":0.00314,"percentile":0.24127,"date":"2026-10-26","history":[]},"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 (0.31%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://docs.aviatrix.com/Downloads/samlclient.html","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://docs.aviatrix.com/Downloads/samlclient.html#windows-win","tags":["Product","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://docs.aviatrix.com/HowTos/changelog.html#aviatrix-vpn-client-changelog","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://docs.aviatrix.com/Downloads/samlclient.html","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.aviatrix.com/Downloads/samlclient.html#windows-win","tags":["Product","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://docs.aviatrix.com/HowTos/changelog.html#aviatrix-vpn-client-changelog","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-31776","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."}