CVE-2025-5687

Local privilege escalation vulnerability in Mozilla VPN clients for macOS v2.27.0 and below.

HIGH

7.8

CVSS Score

Published: June 11, 2025 at 12:07 PM UTC

Updated: June 17, 2026 at 09:48 AM UTC

1 product affected across 1 vendorVPN

Using Mozilla VPN 2.28.0 by Mozilla?

Get instant alerts when new vulnerabilities affect Mozilla VPN 2.28.0 - before attackers find them.

Real-time alertsTrack your software stackFree plan available

Start Free Sign In

Severity

HIGH7.8

Exploit prediction

EPSS 0.1%

SSVC

No known exploit

Description

A vulnerability in Mozilla VPN on macOS allows privilege escalation from a normal user to root. *This bug only affects Mozilla VPN on macOS. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.28.0 < (macOS).

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

VPN · Mozilla

95%

v < 2.28.0

Vendor states this is fixed in (macOS) (unaffected)

Affected range stops below 2.28.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.mozilla.org/security/advisories/mfsa2025-48/

References (2)

Permissions Required

Source: [email protected]

https://bugzilla.mozilla.org/show_bug.cgi?id=1953736

Vendor Advisory

Source: [email protected]

https://www.mozilla.org/security/advisories/mfsa2025-48/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHCISA-ADP

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-269

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create account Sign in

Free plan, no card