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TI-2021-11780 Aliases CVE-2021-31776GHSA-5m6v-4w72-r82q

Aviatrix VPN Client before 2.14.14 on Windows has an unquoted search path that enables…

Priority LOW 34CWE-428Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-428.

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.

Why it matters now

EPSS 0.00314 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:aviatrix:vpn_client:*:*:*:*:*:*:*:*before 2.14.14VulnerableAviatrix
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:aviatrix:vpn_client:*:*:*:*:*:*:*:* Versions before 2.14.14 Vulnerable ·Aviatrix
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-31776
  2. 2026-10-03 Alias added: GHSA-5m6v-4w72-r82q

References

Advisory 3

  • TI-2020-10521 An Elevation of Privilege issue was discovered in Aviatrix VPN Client before 2.10.7… CVSS 3.1CRITICAL 9.8
  • TI-2019-12983 Weak file permissions applied to the Aviatrix VPN Client through 2.2.10 installation… CVSS 3.1HIGH 7.8
  • TI-2019-12982 An authentication flaw in the AVPNC_RP service in Aviatrix VPN Client through 2.2.10… CVSS 3.1HIGH 7.8
  • TI-2020-10517 An issue was discovered in Aviatrix Controller before 5.4.1204. CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences