CVE-2021-43533

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-43533
When parsing internationalized domain names, high bits of the characters in the URLs were sometimes stripped, resulting in inconsistencies that could lead to user confusion or attacks such as phishing. This vulnerability affects Firefox < 94.

4.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References
Link Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1724233 Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-48/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1724233 Issue Tracking Permissions Required Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2021-48/ Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
History

21 Nov 2024, 06:29

Type Values Removed Values Added
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1724233 - Issue Tracking, Permissions Required, Vendor Advisory () https://bugzilla.mozilla.org/show_bug.cgi?id=1724233 - Issue Tracking, Permissions Required, Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2021-48/ - Vendor Advisory () https://www.mozilla.org/security/advisories/mfsa2021-48/ - Vendor Advisory

10 Dec 2021, 16:52

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.3
v3 : 4.3
References (MISC) https://www.mozilla.org/security/advisories/mfsa2021-48/ - (MISC) https://www.mozilla.org/security/advisories/mfsa2021-48/ - Vendor Advisory
References (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1724233 - (MISC) https://bugzilla.mozilla.org/show_bug.cgi?id=1724233 - Issue Tracking, Permissions Required, Vendor Advisory
CWE NVD-CWE-noinfo
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

08 Dec 2021, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-12-08 22:15

Updated : 2024-11-21 06:29

NVD link : CVE-2021-43533

Mitre link : CVE-2021-43533

CVE.ORG link : CVE-2021-43533

JSON object : View

Products Affected

mozilla

  • firefox
CWE
NVD-CWE-noinfo