CVE-2023-4104

5.5 mediumEPSS 0.3%

Medium (5.5) in mozilla vpn. EPSS 0.3% chance of exploitation in the next 30 days.

An invalid Polkit Authentication check and missing authentication requirements for D-Bus methods allowed any local user to configure arbitrary VPN setups. *This bug only affects Mozilla VPN on Linux. Other operating systems are unaffected.* This vulnerability affects Mozilla VPN 2.16.1 < (Linux).

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 26% of CVEs (scores of 2026-10-31)
CWE: CWE-862
Published: 2023-09-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mozilla:vpn

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1831318
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7055
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7110
https://github.com/mozilla-mobile/mozilla-vpn-client/pull/7151
https://www.mozilla.org/security/advisories/mfsa2023-39/

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