Jenkins Convert To Pipeline Plugin vulnerable to command injection

published 2023-03-23 3 y ago modified 2026-06-17 4 mo ago also GHSA-7c44-m589-36w7 , EUVD-2023-1224

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.8%; EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits: 0; none known

Jenkins Convert To Pipeline Plugin 1.0 and earlier uses basic string concatenation to convert Freestyle projects' Build Environment, Build Steps, and Post-build Actions to the equivalent Pipeline step invocations, allowing attackers able to configure Freestyle projects to prepare a crafted configuration that injects Pipeline script code into the (unsandboxed) Pipeline resulting from a convertion by Jenkins Convert To Pipeline Plugin.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 20 mo ago (2025-02-25)

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub	3.1	8.0	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Affected packages

ecosystem	package	affected	fixed in
maven	org.jenkins-ci.plugins:convert-to-pipeline	<=1.0	no fix listed

Affected products

Jenkins Project Jenkins Convert To Pipeline Plugin

Classification

Weakness

CWE-77 Improper Neutralization of Special Elements used in a Command

References

jenkins.io /security/advisory/2023-03-21/#SECURITY-2966
vendor-advisory, web
nvd.nist.gov /vuln/detail/CVE-2023-28677
advisory
github.com /jenkinsci/convert-to-pipeline-plugin
package

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary