CVE-2023-43494

Name: CVE-2023-43494
Creator: NVD / NIST
Published: 2023-09-20T17:15:11.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 3.39%

Last modified Jun 17, 2026

CVE-2023-43494 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Jenkins 2.50 through 2.423 (both inclusive), LTS 2.60.1 through 2.414.1 (both inclusive) does not exclude sensitive build variables (e.g., password parameter values) from the search in the build history widget, allowing attackers with Item/Read permission to obtain values of sensitive variables used in builds by iteratively testing different characters until the correct sequence is discovered.. EPSS estimates a 3.39% chance of exploitation in the next 30 days.

Description

Jenkins 2.50 through 2.423 (both inclusive), LTS 2.60.1 through 2.414.1 (both inclusive) does not exclude sensitive build variables (e.g., password parameter values) from the search in the build history widget, allowing attackers with Item/Read permission to obtain values of sensitive variables used in builds by iteratively testing different characters until the correct sequence is discovered.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

3.39%

87.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Jenkins	Jenkins	>= 2.50, < 2.424
Jenkins	Jenkins	>= 2.60.1, < 2.414.2

References

http://www.openwall.com/lists/oss-security/2023/09/20/5Mailing List, Third Party Advisory
https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3261Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/09/20/5Mailing List, Third Party Advisory
https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3261Vendor Advisory

Timeline

Published: Sep 20, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-43494?

How severe is CVE-2023-43494?

CVE-2023-43494 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 3.39% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43494?

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-2023-43494?

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

Scan your code now

Source: NVD / NIST