CVE-2021-24000

CVSS V2 Low 2.6 CVSS V3 Low 3.1
Description
A race condition with requestPointerLock() and setTimeout() could have resulted in a user interacting with one tab when they believed they were on a separate tab. In conjunction with certain elements (such as <input type="file">) this could have led to an attack where a user was confused about the origin of the webpage and potentially disclosed information they did not intend to. This vulnerability affects Firefox < 88.
Overview
  • CVE ID
  • CVE-2021-24000
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-06-24T14:15:09
  • Last Modified Date
  • 2021-07-01T18:25:01
Weakness Enumerations
CWE URL
NVD-CWE-Other http://cwe.mitre.org/data/definitions/NVD-Other.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 88.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:H/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • HIGH
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.6
  • Severity
  • LOW
  • Exploitability Score
  • 4.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 3.1
  • Base Severity
  • LOW
  • Exploitability Score
  • 1.6
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2021-16/ Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1694698 Issue Tracking Permissions Required Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24000
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24000
History
Created Old Value New Value Data Type Notes
2022-05-10 07:09:10 Added to TrackCVE
2022-12-05 04:55:21 2021-06-24T14:15Z 2021-06-24T14:15:09 CVE Published Date updated
2022-12-05 04:55:21 2021-07-01T18:25:01 CVE Modified Date updated
2022-12-05 04:55:21 Analyzed Vulnerability Status updated