CVE-2023-28677

Name: CVE-2023-28677
Creator: NVD / NIST
Published: 2023-04-02T21:15:09.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.78%

Last modified Jun 17, 2026

CVE-2023-28677 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.78%

51.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Jenkins	Convert To Pipeline	<= 1.0

References

https://www.jenkins.io/security/advisory/2023-03-21/#SECURITY-2966Vendor Advisory
https://www.jenkins.io/security/advisory/2023-03-21/#SECURITY-2966Vendor Advisory

Timeline

Published: Apr 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-28677?

How severe is CVE-2023-28677?

CVE-2023-28677 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.

How do I fix CVE-2023-28677?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-28677?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST