CVE-2021-3138

Public Exploit

Description

In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 3.91% Top 15%
Third-Party Advisory packetstormsecurity.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse/releases third party advisory release notes
https://github.com/Mesh3l911/Disource third party advisory
http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.html exploit vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-3138?
CVE-2021-3138 has been scored as a high severity vulnerability.
How to fix CVE-2021-3138?
To fix CVE-2021-3138, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-3138 being actively exploited in the wild?
It is possible that CVE-2021-3138 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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