VulnerabilityModified
CVE-2021-3138
In Discourse 2.7.0 through beta1, a rate-limit bypass leads to a bypass of the 2FA requirement for certain forms.
HIGH 7.5EPSS 3.07%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.07%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 3.07% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-307
- Affected
- discourse/discourse
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/Mesh3l911/DisourceThird Party Advisory
- https://github.com/discourse/discourse/releasesRelease Notes, Third Party Advisory
- http://packetstormsecurity.com/files/162256/Discourse-2.7.0-2FA-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- https://github.com/Mesh3l911/DisourceThird Party Advisory
- https://github.com/discourse/discourse/releasesRelease Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.