CVEvulnerability

CVE-2021-29971

9.8 CRITICAL Published 2021-08-05 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-05
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-281

Description

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.

Affected configurations

• mozilla firefox (< 90.0)

Related

Weakness · CWE (1)

  • CWE-281 Improper Preservation of Permissions weakness

References