CVE Vulnerability

CVE-2021-38492

When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1.

4.3 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

Scope

6.5 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://www.mozilla.org/security/advisories/mfsa2021-41/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-40/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-42/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-38/ Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-39/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1721107 Exploit Issue Tracking
https://security.gentoo.org/glsa/202208-14 Third Party Advisory
Configurations

Configuration 1
Information

Published : 2021-11-03 01:15

Updated : 2022-12-09 07:19

NVD link : CVE-2021-38492

Mitre link : CVE-2021-38492

Products Affected
No products.
CWE
NVD-CWE-noinfo