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Case File

CVE-2021-29971

CRITICAL · CVSS 9.8 EPSS 1.02%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-08-05 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. It affects Android, Firefox.

CVE
CVE-2021-29971
Severity
CRITICAL
CVSS
9.8
EPSS
1.02%
Android Firefox

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)