CVE-2021-29963

MEDIUM

Firefox for Android < 89.0 - Insufficient Verification of Data Authenticity in Private Browsing Mode

Title source: llm
STIX 2.1

Description

Address bar search suggestions in private browsing mode were re-using session data from normal mode. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 89.

References (2)

Core 2
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2021-23/
Permissions Required, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1705068

Scores

CVSS v3 4.3
EPSS 0.0014
EPSS Percentile 34.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Details

CWE
CWE-345
Status published
Products (1)
mozilla/firefox < 89.0
Published Jun 24, 2021
Tracked Since Feb 18, 2026