CVE-2021-29953

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
A malicious webpage could have forced a Firefox for Android user into executing attacker-controlled JavaScript in the context of another domain, resulting in a Universal Cross-Site Scripting vulnerability. *Note: This issue only affected Firefox for Android. Other operating systems are unaffected. Further details are being temporarily withheld to allow users an opportunity to update.*. This vulnerability affects Firefox < 88.0.1 and Firefox for Android < 88.1.3.
Overview
  • CVE ID
  • CVE-2021-29953
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-24T14:15:10
  • Last Modified Date
  • 2021-06-30T16:50:45
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:* 1 OR 88.0.1
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:* 1 OR 88.1.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2021-20/ Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1701684 Permissions Required Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:21 Added to TrackCVE
2022-12-05 04:56:16 2021-06-24T14:15Z 2021-06-24T14:15:10 CVE Published Date updated
2022-12-05 04:56:16 2021-06-30T16:50:45 CVE Modified Date updated
2022-12-05 04:56:16 Analyzed Vulnerability Status updated