CVE-2020-2090 : What You Need to Know

A cross-site request forgery vulnerability in Jenkins Amazon EC2 Plugin 1.47 and earlier allows attackers to connect to an attacker-specified URL within the AWS region using attacker-specified credentials IDs obtained through another method.

Understanding CVE-2020-2090

This CVE involves a security vulnerability in the Jenkins Amazon EC2 Plugin that could be exploited by attackers.

What is CVE-2020-2090?

CVE-2020-2090 is a cross-site request forgery vulnerability in the Jenkins Amazon EC2 Plugin versions 1.47 and earlier.

The Impact of CVE-2020-2090

The vulnerability allows attackers to connect to a specified URL within the AWS region using obtained credentials IDs.

Technical Details of CVE-2020-2090

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is classified as CWE-352: Cross-Site Request Forgery (CSRF).

Affected Systems and Versions

Product: Jenkins Amazon EC2 Plugin
Vendor: Jenkins project
Affected Versions:
Version <= 1.47 (Custom)
Version 1.46.2 (Custom) - Unaffected
Version 1.42.2 (Custom) - Unaffected

Exploitation Mechanism

Attackers can exploit this vulnerability by using attacker-specified credentials IDs to connect to a specified URL within the AWS region.

Mitigation and Prevention

Protecting systems from CVE-2020-2090 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Jenkins Amazon EC2 Plugin to a secure version.
Monitor and restrict access to Jenkins instances.
Implement network security measures to detect and prevent CSRF attacks.

Long-Term Security Practices

Regularly update and patch software to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate risks.

Patching and Updates

Apply patches and updates provided by Jenkins project to fix the vulnerability.