TI-2020-02064 Aliases CVE-2020-2187 GHSA-c89c-pvm7-33wj

Improper certificate validation in Jenkins Amazon EC2 Plugin

LOW 25CWE-295Published 2020-05-06 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: High
Impact type: Spoofing
Confidentiality · integrity · availability: Low · Low · Low
Fix status: Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-295.

Summary

Jenkins Amazon EC2 Plugin 1.50.1 and earlier unconditionally accepts self-signed certificates and does not perform hostname validation, enabling man-in-the-middle attacks.

Why it matters now

EPSS 0.00411 35th percentileScored 2026-11-07

Fix Fixed org.jenkins-ci.plugins:ec2 (Maven): 1.50.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Jenkins	Jenkins Amazon EC2 Plugin	up to 1.50.1	—	No fix listed	CNA
—	org.jenkins-ci.plugins:ec2 (Maven)	before 1.50.2	1.50.2	Patch available	GHSA-c89c-pvm7-33wj

Jenkins Amazon EC2 Plugin VendorJenkins Affected up to 1.50.1 Fixed in — No fix listed CNA
org.jenkins-ci.plugins:ec2 (Maven) Vendor— Affected before 1.50.2 Fixed in 1.50.2 Patch available GHSA-c89c-pvm7-33wj

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:jenkins:amazon_ec2::::::jenkins::*	up to 1.50.1	Vulnerable	Jenkins

cpe:2.3:a:jenkins:amazon_ec2:*:*:*:*:*:jenkins:*:* Versions up to 1.50.1 Vulnerable ·Jenkins

Remediation

Fix · GHSA-c89c-pvm7-33wj org.jenkins-ci.plugins:ec2 (Maven) Fixed in 1.50.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2020-2187
2026-10-03 Alias added: GHSA-c89c-pvm7-33wj

References

Advisory 3

Other 2

TI-2020-01967 Cross-site request forgery in Jenkins Amazon EC2 Plugin CVSS 3.1HIGH 8.8
TI-2020-01968 Missing authorization in Jenkins Amazon EC2 Plugin CVSS 3.1HIGH 8.1
TI-2020-02062 Jenkins Amazon EC2 Plugin 1.50.1 and earlier does not validate SSH host keys when… CVSS 3.1MEDIUM 5.6
TI-2020-02065 Incorrect authorization in Jenkins Amazon EC2 Plugin CVSS 3.1MEDIUM 4.3
TI-2020-02063 Cross-site request forgery in Jenkins Amazon EC2 Plugin CVSS 3.1MEDIUM 4.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences