CVE-2019-11720

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
Some unicode characters are incorrectly treated as whitespace during the parsing of web content instead of triggering parsing errors. This allows malicious code to then be processed, evading cross-site scripting (XSS) filtering. This vulnerability affects Firefox < 68.
Overview
  • CVE ID
  • CVE-2019-11720
  • Assigner
  • security@mozilla.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2019-07-23T14:15:16
  • Last Modified Date
  • 2023-03-02T16:23:07
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* 1 OR 68.0
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
  • 3.0
  • Vector String
  • CVSS:3.0/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/mfsa2019-21/ Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1556230 Issue Tracking Permissions Required Vendor Advisory
https://security.gentoo.org/glsa/201908-12
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2019-11720
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11720
History
Created Old Value New Value Data Type Notes
2022-05-10 17:38:24 Added to TrackCVE
2022-12-03 23:39:24 2019-07-23T14:15Z 2019-07-23T14:15:16 CVE Published Date updated
2022-12-03 23:39:24 2019-08-15T18:15:18 CVE Modified Date updated
2022-12-03 23:39:24 Modified Vulnerability Status updated
2023-01-27 23:09:00 Modified Undergoing Analysis Vulnerability Status updated
2023-03-02 17:10:31 2023-03-02T16:23:07 CVE Modified Date updated
2023-03-02 17:10:31 Undergoing Analysis Analyzed Vulnerability Status updated