CVE Vulnerability

CVE-2020-15679

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).

7.6 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mozilla-mobile/guardian-vpn-ios/commit/4309f5c9bd2c15cdfd39ac173665fad3f2598b54 Patch Third Party Advisory
https://www.mozilla.org/security/advisories/mfsa2020-48/ Vendor Advisory
https://github.com/mozilla-services/guardian-vpn-windows/commit/ac6f562973a83f6758cd7ab7aa313e863047d41b Patch Third Party Advisory
https://github.com/mozilla-mobile/guardian-vpn-android/commit/981c840276ef3aee98cf5d42993d484ee99b28d9 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:vpn:*:*:*:*:*:ipados:*:*
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:iphone_os:*:*
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:windows:*:*
cpe:2.3:a:mozilla:vpn:*:*:*:*:*:android:*:*
Information

Published : 2022-12-22 08:15

Updated : 2022-12-29 07:16

NVD link : CVE-2020-15679

Mitre link : CVE-2020-15679

Products Affected
No products.
CWE
CWE-384

Session Fixation