What is the severity of CVE-2021-41271?

CVE-2021-41271 has a medium severity rating due to its potential to cause confidentiality loss.

How do I fix CVE-2021-41271?

To fix CVE-2021-41271, upgrade to the latest stable version of Discourse beyond version 2.7.9.

What versions of Discourse are affected by CVE-2021-41271?

CVE-2021-41271 affects Discourse versions up to and including 2.7.9 and all beta versions of 2.8.0.

What type of vulnerability is CVE-2021-41271?

CVE-2021-41271 is a vulnerability that allows a maliciously crafted request to be cached, which may lead to exposure of sensitive content.

Is there a patch available for CVE-2021-41271?

Yes, a patch for CVE-2021-41271 is included in the latest stable releases of Discourse, beyond the affected versions.

Vulnerability/
CVE-2021-41271

medium

5.3

CWE

200

15/11/2021

21/11/2024

CVE-2021-41271: Cache poisoning via maliciously-formed request in discourse

First published: Mon Nov 15 2021(Updated: )

Discourse is a platform for community discussion. In affected versions a maliciously crafted request could cause an error response to be cached by intermediate proxies. This could cause a loss of confidentiality for some content. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

Credit: security-advisories@github.com security-advisories@github.com

Affected Software	Affected Version	How to fix
Discourse Discourse	<=2.7.9
Discourse Discourse	=2.8.0-beta1
Discourse Discourse	=2.8.0-beta2
Discourse Discourse	=2.8.0-beta3
Discourse Discourse	=2.8.0-beta4
Discourse Discourse	=2.8.0-beta5
Discourse Discourse	=2.8.0-beta6
Discourse Discourse	=2.8.0-beta7
	<=2.7.9
	=2.8.0-beta1
	=2.8.0-beta2
	=2.8.0-beta3
	=2.8.0-beta4
	=2.8.0-beta5
	=2.8.0-beta6
	=2.8.0-beta7

Remedy

https://github.com/discourse/discourse/commit/2da0001965c6d8632d723c46ea5df9f22a1a23f1

Never miss a vulnerability like this again

Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-41271?
CVE-2021-41271 has a medium severity rating due to its potential to cause confidentiality loss.
How do I fix CVE-2021-41271?
To fix CVE-2021-41271, upgrade to the latest stable version of Discourse beyond version 2.7.9.
What versions of Discourse are affected by CVE-2021-41271?
CVE-2021-41271 affects Discourse versions up to and including 2.7.9 and all beta versions of 2.8.0.
What type of vulnerability is CVE-2021-41271?
CVE-2021-41271 is a vulnerability that allows a maliciously crafted request to be cached, which may lead to exposure of sensitive content.
Is there a patch available for CVE-2021-41271?
Yes, a patch for CVE-2021-41271 is included in the latest stable releases of Discourse, beyond the affected versions.

collector/nvd-index
agent/references
agent/type
collector/mitre-cve
source/MITRE
agent/title
agent/remedy
agent/severity
agent/weakness
agent/description
agent/first-publish-date
collector/nvd-api
source/NVD
agent/software-canonical-lookup
agent/last-modified-date
agent/author
agent/softwarecombine
agent/event
agent/tags
agent/source
vendor/discourse
canonical/discourse discourse
version/discourse discourse/2.7.9
version/discourse discourse/2.8.0-beta1
version/discourse discourse/2.8.0-beta2
version/discourse discourse/2.8.0-beta3
version/discourse discourse/2.8.0-beta4
version/discourse discourse/2.8.0-beta5
version/discourse discourse/2.8.0-beta6
version/discourse discourse/2.8.0-beta7

Company

Resources

Contact

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Frequently Asked Questions

What is the severity of CVE-2021-41271?
CVE-2021-41271 has a medium severity rating due to its potential to cause confidentiality loss.
How do I fix CVE-2021-41271?
To fix CVE-2021-41271, upgrade to the latest stable version of Discourse beyond version 2.7.9.
What versions of Discourse are affected by CVE-2021-41271?
CVE-2021-41271 affects Discourse versions up to and including 2.7.9 and all beta versions of 2.8.0.
What type of vulnerability is CVE-2021-41271?
CVE-2021-41271 is a vulnerability that allows a maliciously crafted request to be cached, which may lead to exposure of sensitive content.
Is there a patch available for CVE-2021-41271?
Yes, a patch for CVE-2021-41271 is included in the latest stable releases of Discourse, beyond the affected versions.