Vulnerability Description
In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Discourse | Discourse | <= 2.6.0 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.htmlExploitThird Party AdvisoryVDB Entry
- https://github.com/Mesh3l911/DisourceThird Party Advisory
- https://github.com/discourse/discourse/releasesRelease NotesThird Party Advisory
- http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.htmlExploitThird Party AdvisoryVDB Entry
- https://github.com/Mesh3l911/DisourceThird Party Advisory
- https://github.com/discourse/discourse/releasesRelease NotesThird Party Advisory
FAQ
What is CVE-2021-3138?
CVE-2021-3138 is a vulnerability with a CVSS score of 7.5 (HIGH). In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.
How severe is CVE-2021-3138?
CVE-2021-3138 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3138?
Check the references section above for vendor advisories and patch information. Affected products include: Discourse Discourse.