CVE-2021-21627
CSRF vulnerability in Jenkins Libvirt Agents Plugin
A cross-site request forgery (CSRF) vulnerability in Jenkins Libvirt Agents Plugin 1.9.0 and earlier allows attackers to stop hypervisor domains.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A cross-site request forgery (CSRF) vulnerability in Jenkins Libvirt Agents Plugin 1.9.0 and earlier allows attackers to stop hypervisor domains.
- Record
CVE-2021-21627- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-352
- Updated
- 2026-11-02
CVE List No score
A cross-site request forgery (CSRF) vulnerability in Jenkins Libvirt Agents Plugin 1.9.0 and earlier allows attackers to stop hypervisor domains.
- Record
CVE-2021-21627- Updated
- 2026-11-02
EUVDEUVD-2022-4585 No score
A cross-site request forgery (CSRF) vulnerability in Jenkins Libvirt Agents Plugin 1.9.0 and earlier allows attackers to stop hypervisor domains.
- Record
EUVD-2022-4585- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mm5c-7mpr-99fm
CSRF vulnerability in Jenkins Libvirt Agents Plugin
Jenkins Libvirt Agents Plugin 1.9.0 and earlier does not require POST requests for a form submission endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.
This vulnerability allows attackers to stop hypervisor domains.
Jenkins Libvirt Agents Plugin 1.9.1 requires POST requests for the affected HTTP endpoint.
- Record
GHSA-mm5c-7mpr-99fm- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
OSV
A cross-site request forgery (CSRF) vulnerability in Jenkins Libvirt Agents Plugin 1.9.0 and earlier allows attackers to stop hypervisor domains.
- Record
CVE-2021-21627- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-mm5c-7mpr-99fm
CSRF vulnerability in Jenkins Libvirt Agents Plugin
Jenkins Libvirt Agents Plugin 1.9.0 and earlier does not require POST requests for a form submission endpoint, resulting in a cross-site request forgery (CSRF) vulnerability.
This vulnerability allows attackers to stop hypervisor domains.
Jenkins Libvirt Agents Plugin 1.9.1 requires POST requests for the affected HTTP endpoint.
- Record
GHSA-mm5c-7mpr-99fm- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-352
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
org.jenkins-ci.plugins:libvirt-slaveMaven |
through 1.9.0 | 1.9.1 |
org.jenkins-ci.plugins:libvirt-slaveMaven |
before 1.9.1, plus listed versions 1.81.8.11.8.31.8.41.8.51.8.61.9.0 |
1.9.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-21627 is a high vulnerability (CVSS 8.8) in Jenkins Libvirt Agents, published March 18, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.82%, the 57th percentile. Fixed in org.jenkins-ci.plugins:libvirt-slave 1.9.1.