Vulnerability in Jenkins
CVE-2023-43494
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.039 (90.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.034 · newest: 0.039 · change: +0.005
Affected products
- Jenkins
- Jenkins Project — versions 0, 2.424, 2.414.2
Public proof-of-concept exploits
References
- www.jenkins.io/security/advisory/2023-09-20/ (vendor-advisory, Vendor Advisory)
- www.openwall.com/lists/oss-security/2023/09/20/5 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-43494?
- CVE-2023-43494 is a medium-severity vulnerability in Jenkins. CVSS score: 4.3/10. Published 2023-09-20.
- How severe is CVE-2023-43494?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2023-43494 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.