CVE-2021-31776 json
Aviatrix VPN Client before 2.14.14 on Windows has an unquoted search path that enables local privilege escalation to the SYSTEM user, if th…
published 2021-04-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-18660
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 24%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- aviatrix vpn_client 2.14.14
Exploit prediction
0.31% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C |
Classification
- Weakness
-
- CWE-428 Unquoted Search Path or Element
References
-
docs.aviatrix.com
/Downloads/samlclient.html
product, vendor-advisory
-
docs.aviatrix.com
/HowTos/changelog.html#aviatrix-vpn-client-changelog
release-notes, vendor-advisory
-
docs.aviatrix.com
/Downloads/samlclient.html#windows-win
product, vendor-advisory
Sources
- CVE List CVE-2021-31776
- NVD CVE-2021-31776
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.