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…

PriorityP335high7.6CVSS 3.1

AVNACLPRNUIRSUCLILAH

EPSS

0.47%

37.5th percentile

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).

Affected

8 ranges

Vendor	Product	Version range	Fixed in
mozilla	firefox	—	—
mozilla	mozilla_vpn_android_1.1.0	>= unspecified < (1360)	(1360)
mozilla	mozilla_vpn_ios_1.0.7	>= unspecified < (929)	(929)
mozilla	mozilla_vpn_windows	>= unspecified < 1.2.2	1.2.2
mozilla	vpn	< 1.0.7_\(929\)	1.0.7_\(929\)
mozilla	vpn	< 1.2.2	1.2.2
mozilla	vpn	>= 1.0.7 < 1.0.7_\(929\)	1.0.7_\(929\)
mozilla	vpn	>= 1.1.0 < 1.1.0_\(1360\)	1.1.0_\(1360\)

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