PT-2021-14680 · Jenkins · Jenkins Team Foundation Server Plugin+1

Daniel Beck · Published 2021-03-30 · Updated 2023-10-25 · CVE-2021-21637

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Jenkins Team Foundation Server Plugin versions 5.157.1 and earlier

Description A missing permission check in the plugin allows attackers with Overall/Read permission to connect to an attacker-specified URL using attacker-specified credentials IDs obtained through another method, capturing credentials stored in Jenkins.

Recommendations For Jenkins Team Foundation Server Plugin versions 5.157.1 and earlier, as a temporary workaround, consider restricting access to the plugin until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2021-21637

GHSA-6364-JX4H-7564

Affected Products

Jenkins

Jenkins Team Foundation Server Plugin

References · 8

• https://osv.dev/vulnerability/CVE-2021-21637 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21637 · Security Note
• https://osv.dev/vulnerability/GHSA-6364-jx4h-7564 · Vendor Advisory
• https://github.com/jenkinsci/tfs-plugin · Note
• https://t.me/cvenotify/12320 · Telegram Post
• http://openwall.com/lists/oss-security/2021/03/30/1 · Note
• https://jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20(2) · Note
• https://jenkins.io/security/advisory/2021-03-30/#SECURITY-2283%20%282%29 · Note