CVE-2021-3377

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
The npm package ansi_up converts ANSI escape codes into HTML. In ansi_up v4, ANSI escape codes can be used to create HTML hyperlinks. Due to insufficient URL sanitization, this feature is affected by a cross-site scripting (XSS) vulnerability. This issue is fixed in v5.0.0.
Overview
  • CVE ID
  • CVE-2021-3377
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-05T21:15:13
  • Last Modified Date
  • 2021-03-09T15:46:50
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:ansi_up_project:ansi_up:*:*:*:*:*:node.js:*:* 1 OR 5.0.0
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: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://github.com/drudru/ansi_up/commit/c8c726ed1db979bae4f257b7fa41775155ba2e27 Patch Third Party Advisory
https://doyensec.com/resources/Doyensec_Advisory_ansi_up4_XSS.pdf Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-3377
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3377
History
Created Old Value New Value Data Type Notes
2022-05-10 07:20:35 Added to TrackCVE
2022-12-05 23:14:39 2021-03-05T21:15Z 2021-03-05T21:15:13 CVE Published Date updated
2022-12-05 23:14:39 2021-03-09T15:46:50 CVE Modified Date updated
2022-12-05 23:14:39 Analyzed Vulnerability Status updated