CVE-2021-21683

CVSS V2 Medium 4 CVSS V3 Medium 6.5
Description
The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.
Overview
  • CVE ID
  • CVE-2021-21683
  • Assigner
  • jenkinsci-cert@googlegroups.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-10-06T23:15:06
  • Last Modified Date
  • 2021-10-19T18:58:12
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* 1 OR 2.303.1
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* 1 OR 2.314
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:N/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • 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.jenkins.io/security/advisory/2021-10-06/#SECURITY-2481 Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/10/06/1 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21683
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21683
History
Created Old Value New Value Data Type Notes
2022-05-10 06:50:28 Added to TrackCVE
2022-12-05 11:59:26 2021-10-06T23:15Z 2021-10-06T23:15:06 CVE Published Date updated
2022-12-05 11:59:26 2021-10-19T18:58:12 CVE Modified Date updated
2022-12-05 11:59:26 Analyzed Vulnerability Status updated