CVE-2021-29993

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 v3 8.1 HIGH
CVSS v2.0 5.8 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

5.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:P

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*

History

No history.

Information

Published : 2021-11-03 01:15

Updated : 2026-08-19 15:29

NVD link : CVE-2021-29993

Mitre link : CVE-2021-29993

CVE.ORG link : CVE-2021-29993

JSON object : View

Products Affected

mozilla

firefox_mobile

CWE

NVD-CWE-noinfo

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