What is CVE-2020-2254?

CVE-2020-2254 is a medium-severity vulnerability in Jenkins Blue Ocean, classified under Path Traversal. CVSS score: 6.5/10. Published 2020-09-16.

How severe is CVE-2020-2254?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Path Traversal in Jenkins Blue Ocean

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.

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Jenkins Blue_ocean
Jenkins Project Blue Ocean Plugin — versions unspecified, 1.19.2

Weakness classification (CWE)

CWE-22 — Path Traversal

References

jenkinsci-cert@googlegroups.com (x_refsource_CONFIRM, Vendor Advisory)
jenkinsci-cert@googlegroups.com (mailing-list, x_refsource_MLIST, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2254?: CVE-2020-2254 is a medium-severity vulnerability in Jenkins Blue Ocean, classified under Path Traversal. CVSS score: 6.5/10. Published 2020-09-16.
How severe is CVE-2020-2254?: Medium severity. CVSS v3 base score is 6.5 out of 10.