VULNERABILITY INTELLIGENCE

CVE-2021-29971

CVSS score9.8 CRITICAL
EPSS probability1.02%
CISA KEVNot currently listed
Published2021-08-05
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • nvd@nist.gov: CWE-281

Primary references