CVE-2021-29958
MEDIUMFirefox for iOS < 34.0 - Missing Authorization for Private Browsing Mode Cookie Isolation
Title source: llmDescription
When a download was initiated, the client did not check whether it was in normal or private browsing mode, which led to private mode cookies being shared in normal browsing mode. This vulnerability affects Firefox for iOS < 34.
References (2)
Core 2
Core References
Release Notes, Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2021-25/
Permissions Required, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1670127
Scores
CVSS v3
4.3
EPSS
0.0019
EPSS Percentile
40.0%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Details
CWE
CWE-862
Status
published
Products (1)
mozilla/firefox
< 34.0
Published
Jun 24, 2021
Tracked Since
Feb 18, 2026