CVE-2020-6808

CVSS V2 Medium 4.3 CVSS V3 Medium 6.5
Description
When a JavaScript URL (javascript:) is evaluated and the result is a string, this string is parsed to create an HTML document, which is then presented. Previously, this document's URL (as reported by the document.location property, for example) was the originating javascript: URL which could lead to spoofing attacks; it is now correctly the URL of the originating document. This vulnerability affects Firefox < 74.
Overview
  • CVE ID
  • CVE-2020-6808
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2020-03-25T22:15:12
  • Last Modified Date
  • 2020-03-27T14:40:48
Weakness Enumerations
CWE URL
CWE-290 http://cwe.mitre.org/data/definitions/290.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 74.0
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:U/C:N/I:H/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 6.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://bugzilla.mozilla.org/show_bug.cgi?id=1247968 Issue Tracking Permissions Required
https://www.mozilla.org/security/advisories/mfsa2020-08/ Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-6808
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6808
History
Created Old Value New Value Data Type Notes
2022-05-10 16:45:59 Added to TrackCVE
2022-12-04 13:35:58 2020-03-25T22:15Z 2020-03-25T22:15:12 CVE Published Date updated
2022-12-04 13:35:58 2020-03-27T14:40:48 CVE Modified Date updated
2022-12-04 13:35:58 Analyzed Vulnerability Status updated