CVE-2020-27155 : What You Need to Know

An issue was discovered in Octopus Deploy through 2020.4.4 where the websocket endpoint may allow an untrusted tentacle host to present itself as a trusted one.

Understanding CVE-2020-27155

This CVE identifies a vulnerability in Octopus Deploy that could potentially lead to a security breach.

What is CVE-2020-27155?

The vulnerability in Octopus Deploy versions up to 2020.4.4 allows an untrusted tentacle host to masquerade as a trusted one through the websocket endpoint.

The Impact of CVE-2020-27155

This vulnerability could be exploited by malicious actors to impersonate trusted hosts, potentially leading to unauthorized access and data compromise.

Technical Details of CVE-2020-27155

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The issue in Octopus Deploy versions up to 2020.4.4 enables untrusted tentacle hosts to present themselves as trusted ones via the websocket endpoint.

Affected Systems and Versions

Product: Octopus Deploy
Vendor: N/A
Versions affected: Up to 2020.4.4

Exploitation Mechanism

The vulnerability allows unauthorized hosts to exploit the websocket endpoint, posing as trusted hosts within the Octopus Deploy environment.

Mitigation and Prevention

It is crucial to take immediate action to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Disable the websocket endpoint if not essential for operations.
Implement network segmentation to restrict access to critical systems.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update Octopus Deploy to the latest version to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential weaknesses.

Patching and Updates

Apply patches and updates provided by Octopus Deploy promptly to mitigate the vulnerability and enhance system security.