CVE-2021-31776
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…
Does this matter?
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.
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.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.31% probability · 24th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-428
- Affected
- aviatrix/vpn client
- Source
- cve@mitre.org
EPSS 0.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://docs.aviatrix.com/Downloads/samlclient.htmlProduct, Vendor Advisory
- https://docs.aviatrix.com/Downloads/samlclient.html#windows-winProduct, Vendor Advisory
- https://docs.aviatrix.com/HowTos/changelog.html#aviatrix-vpn-client-changelogRelease Notes, Vendor Advisory
- https://docs.aviatrix.com/Downloads/samlclient.htmlProduct, Vendor Advisory
- https://docs.aviatrix.com/Downloads/samlclient.html#windows-winProduct, Vendor Advisory
- https://docs.aviatrix.com/HowTos/changelog.html#aviatrix-vpn-client-changelogRelease Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.