What is the severity of CVE-2020-27155?

CVE-2020-27155 has been classified as a medium severity vulnerability.

How do I fix CVE-2020-27155?

To remediate CVE-2020-27155, you should upgrade Octopus Deploy to version 2020.4.5 or later.

What specific issue does CVE-2020-27155 address?

CVE-2020-27155 addresses a vulnerability in the websocket endpoint that could allow an untrusted tentacle host to impersonate a trusted one.

What versions of Octopus Deploy are affected by CVE-2020-27155?

CVE-2020-27155 affects Octopus Deploy versions from 3.11.13 to 2020.4.4.

Is it safe to use Octopus Deploy versions prior to 2020.4.5 due to CVE-2020-27155?

Using Octopus Deploy versions prior to 2020.4.5 is not safe as they are vulnerable to CVE-2020-27155.

Vulnerability/
CVE-2020-27155

high

7.5

22/10/2020

4/8/2024

CVE-2020-27155

First published: Thu Oct 22 2020(Updated: )

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

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Octopus Deploy	>=3.11.13<=2020.4.4

Remedy

https://github.com/OctopusDeploy/Issues/issues/6639

Remedy

https://github.com/OctopusDeploy/Issues/issues/6640

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2020-27155?
CVE-2020-27155 has been classified as a medium severity vulnerability.
How do I fix CVE-2020-27155?
To remediate CVE-2020-27155, you should upgrade Octopus Deploy to version 2020.4.5 or later.
What specific issue does CVE-2020-27155 address?
CVE-2020-27155 addresses a vulnerability in the websocket endpoint that could allow an untrusted tentacle host to impersonate a trusted one.
What versions of Octopus Deploy are affected by CVE-2020-27155?
CVE-2020-27155 affects Octopus Deploy versions from 3.11.13 to 2020.4.4.
Is it safe to use Octopus Deploy versions prior to 2020.4.5 due to CVE-2020-27155?
Using Octopus Deploy versions prior to 2020.4.5 is not safe as they are vulnerable to CVE-2020-27155.

agent/references
agent/softwarecombine
agent/remedy
agent/type
collector/mitre-cve
source/MITRE
agent/author
agent/last-modified-date
agent/severity
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/octopus
canonical/octopus deploy
version/octopus deploy/3.11.13
version/octopus deploy/2020.4.4

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Contact

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Frequently Asked Questions

What is the severity of CVE-2020-27155?
CVE-2020-27155 has been classified as a medium severity vulnerability.
How do I fix CVE-2020-27155?
To remediate CVE-2020-27155, you should upgrade Octopus Deploy to version 2020.4.5 or later.
What specific issue does CVE-2020-27155 address?
CVE-2020-27155 addresses a vulnerability in the websocket endpoint that could allow an untrusted tentacle host to impersonate a trusted one.
What versions of Octopus Deploy are affected by CVE-2020-27155?
CVE-2020-27155 affects Octopus Deploy versions from 3.11.13 to 2020.4.4.
Is it safe to use Octopus Deploy versions prior to 2020.4.5 due to CVE-2020-27155?
Using Octopus Deploy versions prior to 2020.4.5 is not safe as they are vulnerable to CVE-2020-27155.