Vulnerability Database

313,825

Total vulnerabilities in the database

CVE-2021-23127

An issue was discovered in Joomla! 3.2.0 through 3.9.24. Usage of an insufficient length for the 2FA secret accoring to RFC 4226 of 10 bytes vs 20 bytes.

  • Published: Mar 4, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-23127
  • Severity: Critical
  • Exploit:

CVSS v3:

  • Severity: Critical
  • Score: 9.1
  • AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v2:

  • Severity: Medium
  • Score: 6.4
  • AV:N/AC:L/Au:N/C:P/I:P/A:N

No CWE or OWASP classifications available.

Software From Fixed in
Joomla / joomla 3.2.0 3.9.25