CVE-2020-15679

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

22/12/2022

Last modified:

16/04/2025

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

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.60 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): Low
Integrity (I): Low
Availability (A): High

Base Score 3.x

7.60

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mozilla:vpn::::::iphone_os::*		1.0.7_\(929\) (excluding)
cpe:2.3:a:mozilla:vpn::::::windows::*		1.2.2 (excluding)
cpe:2.3:a:mozilla:vpn::::::ipados::*	1.0.7 (including)	1.0.7_\(929\) (excluding)
cpe:2.3:a:mozilla:vpn::::::android::*	1.1.0 (including)	1.1.0_\(1360\) (excluding)

To consult the complete list of CPE names with products and versions, see this page

CVE-2020-15679

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools