What is CVE-2020-2255?

CVE-2020-2255 is a medium-severity vulnerability in Jenkins Blue Ocean, classified under Missing Authorization. CVSS score: 4.3/10. Published 2020-09-16.

How severe is CVE-2020-2255?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Jenkins Blue Ocean

CVE-2020-2255

A missing permission check in Jenkins Blue Ocean Plugin 1.23.2 and earlier allows attackers with Overall/Read permission to connect to an attacker-specified URL.

Vulnerability class: Broken Access Control

EPSS: 0.008 (54.4th percentile) — read the EPSS interpretation.

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:N/I:L/A:N.

Affected products

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

Weakness classification (CWE)

CWE-862 — Missing Authorization

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-2020-2255?: CVE-2020-2255 is a medium-severity vulnerability in Jenkins Blue Ocean, classified under Missing Authorization. CVSS score: 4.3/10. Published 2020-09-16.
How severe is CVE-2020-2255?: Medium severity. CVSS v3 base score is 4.3 out of 10.