CVE Vulnerability

CVE-2021-29971

If a user had granted a permission to a webpage and saved that grant, any webpage running on the same host - irrespective of scheme or port - would be granted that permission. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 90.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1713638 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2021-28/ Vendor Advisory
Configurations

Configuration 1

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:*
Information

Published : 2021-08-05 08:15

Updated : 2021-08-12 04:53

NVD link : CVE-2021-29971

Mitre link : CVE-2021-29971

Products Affected
No products.
CWE
CWE-281

Improper Preservation of Permissions