CVE-2021-21639

CVSS V2 Medium 4 CVSS V3 Medium 4.3
Description
Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the `config.xml` REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.
Overview
  • CVE ID
  • CVE-2021-21639
  • Assigner
  • jenkinsci-cert@googlegroups.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-07T14:15:16
  • Last Modified Date
  • 2021-04-13T18:16:14
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:* 1 OR 2.277.1
cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:* 1 OR 2.286
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • 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:N/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.jenkins.io/security/advisory/2021-04-07/#SECURITY-1721 Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/04/07/2 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-21639
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21639
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:56 Added to TrackCVE
2022-12-06 01:22:15 2021-04-07T14:15Z 2021-04-07T14:15:16 CVE Published Date updated
2022-12-06 01:22:15 2021-04-13T18:16:14 CVE Modified Date updated
2022-12-06 01:22:15 Analyzed Vulnerability Status updated