Jenkins Amazon EC2 Plugin Vulnerability Exposes Users to Man-in-the-Middle Attacks
CVE-2020-2185

5.6MEDIUM

Key Information:

Vendor

Jenkins
Status
Jenkins Amazon Ec2 Plugin
Vendor
CVE Published:
6 May 2020

What is CVE-2020-2185?

The Amazon EC2 Plugin for Jenkins versions 1.50.1 and earlier fails to properly validate SSH host keys when establishing connections with agents. This oversight creates a significant security risk, allowing potential attackers to execute man-in-the-middle attacks. By intercepting communications, malicious actors can tamper with or eavesdrop on data exchanged between Jenkins and EC2 instances, jeopardizing sensitive information and operational integrity.

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Affected Version(s)

Jenkins Amazon EC2 Plugin <= 1.50.1

References

https://jenkins.io/security/advisory/2020-05-06/#SECURITY...
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http://www.openwall.com/lists/oss-security/2020/05/06/3
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CVSS V3.1

Score:
5.6
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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