CVE-2021-23955

Published on: 02/25/2021 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:28:53 PM UTC

CVE-2021-23955

Source: Mitre Source: Nist Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Certain versions of Firefox from Mozilla contain the following vulnerability:

The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85.

  • CVE-2021-23955 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Mozilla - Firefox version < 85

CVSS3 Score: 6.1 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
CHANGED LOW LOW NONE

CVSS2 Score: 4.3 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
NONE PARTIAL NONE

CVE References

Description Tags ⓘ Link
Access Denied Issue Tracking
Permissions Required
Vendor Advisory
bugzilla.mozilla.org
text/html
 URL Logo MISC bugzilla.mozilla.org/show_bug.cgi?id=1684837
Security Vulnerabilities fixed in Firefox 85 — Mozilla Release Notes
Vendor Advisory
www.mozilla.org
text/html
 URL Logo MISC www.mozilla.org/security/advisories/mfsa2021-03/
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Related QID Numbers

  • 501554 Alpine Linux Security Update for firefox

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMozillaFirefoxAllAllAllAll
ApplicationMozillaFirefoxAllAllAllAll
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*:
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