CVE-2020-15666

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
When trying to load a non-video in an audio/video context the exact status code (200, 302, 404, 500, 412, 403, etc.) was disclosed via the MediaError Message. This level of information leakage is inconsistent with the standardized onerror/onsuccess disclosure and can lead to inferring login status to services or device discovery on a local network among other attacks. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
Overview
  • CVE ID
  • CVE-2020-15666
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-10-01T19:15:13
  • Last Modified Date
  • 2021-07-21T11:39:23
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:-:*:* 1 OR 80.0
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:android:*:* 1 OR 80.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • 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:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.mozilla.org/security/advisories/mfsa2020-36/ Release Notes Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2020-39/ Release Notes Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1450853 Exploit Issue Tracking Vendor Advisory
History
Created Old Value New Value Data Type Notes
2022-05-10 07:02:43 Added to TrackCVE
2022-12-04 23:36:40 2020-10-01T19:15Z 2020-10-01T19:15:13 CVE Published Date updated
2022-12-04 23:36:40 2021-07-21T11:39:23 CVE Modified Date updated
2022-12-04 23:36:40 Analyzed Vulnerability Status updated