CVE-2020-2223

Description

Jenkins 2.244 and earlier, LTS 2.235.1 and earlier does not escape correctly the 'href' attribute of links to downstream jobs displayed in the build console page, resulting in a stored cross-site scripting vulnerability.

CVSS Metrics

• v3.1•MEDIUM•Score: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
• v3.1•HIGH•Score: 8CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
• v2.0•LOW•Score: 3.5AV:N/AC:M/Au:S/C:N/I:P/A:N

EPSS Trends

Current EPSS score: 0.42%• Percentile: 62%

Techniques & Countermeasures

• CWE-79•Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

  The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Affected Systems

• jenkins project•jenkins

  ≥ unspecified, ≤ 2.244 | ≥ unspecified, ≤ LTS 2.235.1

• Unknown•Jenkins

  ≤ 2.235.1 | ≤ 2.244

• org.jenkins-ci.main•jenkins-core

  < 2.235.2 | ≥ 2.236, < 2.245

References (5)

• https://jenkins.io/security/advisory/2020-07-15/#SECURITY-1945
• http://www.openwall.com/lists/oss-security/2020/07/15/5
• https://nvd.nist.gov/vuln/detail/CVE-2020-2223
• https://github.com/jenkinsci/jenkins/commit/11f4a351224ef04cfeb9c7636fb1590b67543f3c
• https://github.com/jenkinsci/jenkins