CVE-2023-37943

Name: CVE-2023-37943
Creator: NVD / NIST
Published: 2023-07-12T16:15:13.063+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.38%

Last modified Jun 17, 2026

CVE-2023-37943 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Jenkins Active Directory Plugin 2.30 and earlier ignores the "Require TLS" and "StartTls" options and always performs the connection test to Active directory unencrypted, allowing attackers able to capture network traffic between the Jenkins controller and Active Directory servers to obtain Active Directory credentials.. EPSS estimates a 0.38% chance of exploitation in the next 30 days.

Description

Jenkins Active Directory Plugin 2.30 and earlier ignores the "Require TLS" and "StartTls" options and always performs the connection test to Active directory unencrypted, allowing attackers able to capture network traffic between the Jenkins controller and Active Directory servers to obtain Active Directory credentials.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.38%

30.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-311

Affected Software

Vendor	Product	Versions
Jenkins	Active Directory	<= 2.30

References

http://www.openwall.com/lists/oss-security/2023/07/12/2Mailing List, Third Party Advisory
https://www.jenkins.io/security/advisory/2023-07-12/#SECURITY-3059Vendor Advisory
http://www.openwall.com/lists/oss-security/2023/07/12/2Mailing List, Third Party Advisory
https://www.jenkins.io/security/advisory/2023-07-12/#SECURITY-3059Vendor Advisory

Timeline

Published: Jul 12, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-37943?

How severe is CVE-2023-37943?

CVE-2023-37943 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.38% probability of exploitation in the next 30 days.

How do I fix CVE-2023-37943?

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-2023-37943?

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

Scan your code now

Source: NVD / NIST