Read the docs
TI-2022-00437 Aliases CVE-2022-0517GHSA-4vgm-pr2v-749c

Unrestricted file upload in Mozilla VPN

Priority LOW 35CWE-434Published · 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
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-434.

Summary

Mozilla VPN can load an OpenSSL configuration file from an unsecured directory. A user or attacker with limited privileges could leverage this to launch arbitrary code with SYSTEM privilege. This vulnerability affects Mozilla VPN < 2.7.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0019 8th percentileScored 2026-11-07
Fix Fixed Mozilla VPN (Mozilla): 2.7.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaMozilla VPNbefore 2.7.12.7.1Patch availableCNA
  • Mozilla VPN VendorMozilla Affected before 2.7.1 Fixed in 2.7.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:*:*:*before 2.7.1VulnerableMozilla
  • cpe:2.3:a:mozilla:vpn:*:*:*:*:*:*:*:* Versions before 2.7.1 Vulnerable ·Mozilla

Remediation

  • Fix · CNA Mozilla VPN (Mozilla) Fixed in 2.7.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-0517
  2. 2026-10-03 Alias added: GHSA-4vgm-pr2v-749c

References

  • TI-2025-05127 Local privilege escalation vulnerability in Mozilla VPN clients for macOS v2.27.0 and below. CVSS 3.1HIGH 7.8
  • TI-2020-12353 Session fixation in Mozilla VPN iOS 1.0.7 CVSS 3.1HIGH 7.6
  • TI-2023-03800 Missing authorization in Mozilla VPN 2.16.1 CVSS 3.1MEDIUM 5.5

Sources