What is CVE-2020-2186?

CVE-2020-2186 is a medium-severity vulnerability in Jenkins Amazon Ec2, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2020-05-06.

How severe is CVE-2020-2186?

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

CSRF in Jenkins Amazon Ec2

CVE-2020-2186

A cross-site request forgery vulnerability in Jenkins Amazon EC2 Plugin 1.50.1 and earlier allows attackers to provision instances.

Vulnerability class: CSRF (Cross-Site Request Forgery)

Published 2020-05-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Jenkins Amazon Ec2
Jenkins Project Amazon Ec2 Plugin — versions unspecified

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

jenkins.io/security/advisory/2020-05-06/ (Vendor Advisory)
www.openwall.com/lists/oss-security/2020/05/06/3 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2020-2186?: CVE-2020-2186 is a medium-severity vulnerability in Jenkins Amazon Ec2, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2020-05-06.
How severe is CVE-2020-2186?: Medium severity. CVSS v3 base score is 4.3 out of 10.