PT-2021-14670 · Jenkins · Jenkins Libvirt Agents Plugin+1

Wadeck Follonier · Published 2021-03-18 · Updated 2023-11-03 · CVE-2021-21627

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Jenkins Libvirt Agents Plugin versions 1.9.0 and earlier

Description A cross-site request forgery (CSRF) vulnerability allows attackers to stop hypervisor domains. This issue arises because the plugin does not require POST requests for a form submission endpoint, making it vulnerable to CSRF attacks.

Recommendations For Jenkins Libvirt Agents Plugin versions 1.9.0 and earlier, update to version 1.9.1 or later, which requires POST requests for the affected HTTP endpoint, mitigating the CSRF vulnerability.

Fix

CSRF

Weakness Enumeration

CWE-352

Related Identifiers

CVE-2021-21627

GHSA-MM5C-7MPR-99FM

Affected Products

Jenkins

Jenkins Libvirt Agents Plugin

References · 8

• https://jenkins.io/security/advisory/2021-03-18/#SECURITY-1764 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-21627 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-21627 · Security Note
• https://osv.dev/vulnerability/GHSA-mm5c-7mpr-99fm · Vendor Advisory
• https://github.com/jenkinsci/libvirt-slave-plugin/commit/655eab9bde26e8b8e11034f6c405af374564cae7 · Note
• https://github.com/jenkinsci/libvirt-slave-plugin · Note
• http://openwall.com/lists/oss-security/2021/03/18/5 · Note
• https://t.me/cvenotify/11836 · Telegram Post