CVE-2020-15679

Published: Dec 22, 2022

Modified: Apr 16, 2025

PUBLISHED

Description

An OAuth session fixation vulnerability existed in the VPN login flow, where an attacker could craft a custom login URL, convince a VPN user to login via that URL, and obtain authenticated access as that user. This issue is limited to cases where attacker and victim are sharing the same source IP and could allow the ability to view session states and disconnect VPN sessions. This vulnerability affects Mozilla VPN iOS 1.0.7 < (929), Mozilla VPN Windows < 1.2.2, and Mozilla VPN Android 1.1.0 < (1360).

Vendor	Product	Versions
Mozilla	Mozilla VPN iOS 1.0.7	affected `unspecified - < (929)`
Mozilla	Mozilla VPN Windows	affected `unspecified - < 1.2.2`
Mozilla	Mozilla VPN Android 1.1.0	affected `unspecified - < (1360)`

References

https://www.mozilla.org/security/advisories/mfsa2020-48/

https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b

https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9

https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54

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CVE-2020-15679

Description

Affected Products

References