What’s Vulnerable › Vulnerabilities

CVE-2020-2187

• Severity: medium (CVSS 5.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-05-06 · updated 2026-06-17
• Weakness: CWE-295

Description

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.

Affected products

• Jenkins project Jenkins Amazon EC2 Plugin: through 1.50.1

References

• http://www.openwall.com/lists/oss-security/2020/05/06/3
• https://jenkins.io/security/advisory/2020-05-06/#SECURITY-1528
• http://www.openwall.com/lists/oss-security/2020/05/06/3
• https://jenkins.io/security/advisory/2020-05-06/#SECURITY-1528

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