CVE-2023-43494
CVE-2023-43494 is a medium-severity vulnerability in Jenkins with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 3% (87th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Jenkins
- Published:
- Last modified:
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2023-43494?
- CVE-2023-43494 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2023-43494 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-43494?
- CVE-2023-43494 primarily affects Jenkins. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2023-43494?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-43494 published?
- CVE-2023-43494 was published on 2023-09-20 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2023/09/20/5
- https://www.jenkins.io/security/advisory/2023-09-20/#SECURITY-3261
Affected products (2)
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:-:*:*:*
- cpe:2.3:a:jenkins:jenkins:*:*:*:*:lts:*:*:*
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