CVE-2021-29993 Information

Description

Firefox for Android allowed navigations through the intent:// protocol which could be used to cause crashes and UI spoofs. This bug only affects Firefox for Android. Other operating systems are unaffected.. This vulnerability affects Firefox < 92.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

Reference

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1712242%2C1708767%2C1712240%2C1708544%2C1729259 https://www.mozilla.org/security/advisories/mfsa2021-38/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1