What is CVE-2020-2284?

CVE-2020-2284 is a high-severity vulnerability in Jenkins Liquibase Runner, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2020-09-23.

How severe is CVE-2020-2284?

High severity. CVSS v3 base score is 7.1 out of 10.

XXE in Jenkins Liquibase Runner

CVE-2020-2284

Jenkins Liquibase Runner Plugin 1.4.5 and earlier does not configure its XML parser to prevent XML external entity (XXE) attacks.

Vulnerability class: XXE (XML External Entity)

Published 2020-09-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Jenkins Liquibase Runner
Jenkins Project Liquibase Runner Plugin — versions unspecified

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

www.jenkins.io/security/advisory/2020-09-23/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2020/09/23/1 (mailing-list, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2284?: CVE-2020-2284 is a high-severity vulnerability in Jenkins Liquibase Runner, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.1/10. Published 2020-09-23.
How severe is CVE-2020-2284?: High severity. CVSS v3 base score is 7.1 out of 10.