Vulnerability in Joomla Joomla\!

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.

EPSS: 0.013 (68.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

References

Frequently asked questions

What is CVE-2021-23127?
CVE-2021-23127 is a critical-severity vulnerability in Joomla Joomla\!. CVSS score: 9.1/10. Published 2021-03-04.
How severe is CVE-2021-23127?
Critical severity. CVSS v3 base score is 9.1 out of 10.