CVE-2020-2254
CVE-2020-2254 is a medium-severity vulnerability in Jenkins Blue Ocean with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 3.5
- EPSS exploit prediction: 2% (80th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Jenkins Blue Ocean
- Published:
- Last modified:
Description
Jenkins Blue Ocean Plugin 1.23.2 and earlier provides an undocumented feature flag that, when enabled, allows an attacker with Job/Configure or Job/Create permission to read arbitrary files on the Jenkins controller file system.
Frequently asked questions
- What is CVE-2020-2254?
- Jenkins Blue Ocean Plugin 1.23.2 and earlier provides an undocumented feature flag that, when enabled, allows an attacker with Job/Configure or Job/Create permission to read arbitrary files on the Jenkins controller file system.
- How severe is CVE-2020-2254?
- CVE-2020-2254 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2020-2254 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-2254?
- CVE-2020-2254 affects Jenkins Blue Ocean. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-2254?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-2254 published?
- CVE-2020-2254 was published on 2020-09-16 and last updated on 2026-06-17.
References
- http://www.openwall.com/lists/oss-security/2020/09/16/3
- https://www.jenkins.io/security/advisory/2020-09-16/#SECURITY-1956
Affected products (1)
- cpe:2.3:a:jenkins:blue_ocean:*:*:*:*:*:jenkins:*:*
More vulnerabilities in Jenkins Blue Ocean
- CVE-2023-40341 — High (CVSS 8.8): A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.27.5 and earlier allows attackers to…
- CVE-2017-1000106 — High (CVSS 8.5): Blue Ocean allows the creation of GitHub organization folders that are set up to scan a GitHub organization for…
- CVE-2022-30954 — Medium (CVSS 6.5): Jenkins Blue Ocean Plugin 1.25.3 and earlier does not perform a permission check in several HTTP endpoints, allowing…
- CVE-2022-30953 — Medium (CVSS 6.5): A cross-site request forgery (CSRF) vulnerability in Jenkins Blue Ocean Plugin 1.25.3 and earlier allows attackers to…
- CVE-2022-30952 — Medium (CVSS 6.5): Jenkins Pipeline SCM API for Blue Ocean Plugin 1.25.3 and earlier allows attackers with Job/Configure permission to…
- CVE-2019-1003012 — Medium (CVSS 6.5): A data modification vulnerability exists in Jenkins Blue Ocean Plugins 1.10.1 and earlier in…
All CVEs affecting Jenkins Blue Ocean →
Other CWE-22 (Path Traversal) vulnerabilities
- CVE-2026-48282 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Limitation of a Pathname to a Restricted…
- CVE-2026-54917 — Critical (CVSS 10.0): SeaweedFS is a distributed storage system for object storage (S3), file systems, and Iceberg tables. Prior to 4.30, the…
- CVE-2026-11429 — Critical (CVSS 10.0): Two endpoints in the Vault Service ScriptsController, shared by Altium Enterprise Server and Altium 365, accept file…
- CVE-2026-34909 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to…
- CVE-2026-7411 — Critical (CVSS 10.0): In Eclipse BaSyx Java Server SDK versions prior to 2.0.0-milestone-10, inadequate path normalization in the Submodel…
- CVE-2026-36767 — Critical (CVSS 10.0): A path traversal vulnerability in the /content/images/add endpoint of shopizer v3.2.5 allows attackers write arbitrary…