What is CVE-2023-40343?

CVE-2023-40343 is a medium-severity vulnerability in Jenkins Tuleap Authentication, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2023-08-16.

How severe is CVE-2023-40343?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in Jenkins Tuleap Authentication

CVE-2023-40343

Jenkins Tuleap Authentication Plugin 1.1.20 and earlier uses a non-constant time comparison function when validating an authentication token allowing attackers to use statistical methods to obtain a valid authentication token.

EPSS: 0.005 (39.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Jenkins Tuleap_authentication
Jenkins Project Tuleap Authentication Plugin — versions 0

Weakness classification (CWE)

CWE-203 — Observable Discrepancy

References

jenkinsci-cert@googlegroups.com (vendor-advisory, Vendor Advisory)
jenkinsci-cert@googlegroups.com (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2023-40343?: CVE-2023-40343 is a medium-severity vulnerability in Jenkins Tuleap Authentication, classified under Observable Discrepancy. CVSS score: 5.9/10. Published 2023-08-16.
How severe is CVE-2023-40343?: Medium severity. CVSS v3 base score is 5.9 out of 10.