CVE-2021-43544

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
When receiving a URL through a SEND intent, Firefox would have searched for the text, but subsequent usages of the address bar might have caused the URL to load unintentionally, which could lead to XSS and spoofing attacks. *This bug only affects Firefox for Android. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95.
Overview
  • CVE ID
  • CVE-2021-43544
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-12-08T22:15:09
  • Last Modified Date
  • 2021-12-10T13:33:02
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 95.0
cpe:2.3:o:google:android:-:*:*:*:*:*:*:* 0 OR
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/mfsa2021-52/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1739934 Issue Tracking Permissions Required
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-43544
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-43544
History
Created Old Value New Value Data Type Notes
2022-05-10 06:41:52 Added to TrackCVE
2022-12-06 03:26:30 2021-12-08T22:15Z 2021-12-08T22:15:09 CVE Published Date updated
2022-12-06 03:26:30 2021-12-10T13:33:02 CVE Modified Date updated
2022-12-06 03:26:30 Analyzed Vulnerability Status updated