Vulnerability Database

308,926

Total vulnerabilities in the database

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.

  • Published: Jan 14, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-3138
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:P/I:N/A:N

CWEs:

Software From Fixed in
discourse / discourse 2.7.0-beta1 2.7.0-beta1.x
discourse / discourse - 2.6.0.x