CVE-2021-21306

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
Marked is an open-source markdown parser and compiler (npm package "marked"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service vulnerability. This vulnerability can affect anyone who runs user generated code through marked. This vulnerability is fixed in version 2.0.0.
Overview
  • CVE ID
  • CVE-2021-21306
  • Assigner
  • security-advisories@github.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-02-08T22:15:12
  • Last Modified Date
  • 2021-02-11T21:53:28
Weakness Enumerations
CWE URL
CWE-400 http://cwe.mitre.org/data/definitions/400.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:marked_project:marked:*:*:*:*:*:node.js:*:* 1 OR 1.1.1 2.0.0
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://www.npmjs.com/package/marked Product Third Party Advisory
https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccd Patch Third Party Advisory
https://github.com/markedjs/marked/pull/1864 Patch Third Party Advisory
https://github.com/markedjs/marked/issues/1927 Third Party Advisory
https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96 Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21306
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21306
History
Created Old Value New Value Data Type Notes
2022-05-10 07:23:34 Added to TrackCVE
2022-12-05 21:36:42 2021-02-08T22:15Z 2021-02-08T22:15:12 CVE Published Date updated
2022-12-05 21:36:42 2021-02-11T21:53:28 CVE Modified Date updated
2022-12-05 21:36:42 Analyzed Vulnerability Status updated