What is CVE-2021-23128?

CVE-2021-23128 is a critical-severity vulnerability in Joomla Joomla\!. CVSS score: 9.1/10. Published 2021-03-04.

How severe is CVE-2021-23128?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Joomla Joomla\!

CVE-2021-23128

An issue was discovered in Joomla! 3.2.0 through 3.9.24. The core shipped but unused randval implementation within FOF (FOFEncryptRandval) used an potential insecure implemetation. That has now been replaced with a call to 'random_bytes()' and its backport that is shipped within random_compat.

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

Joomla Joomla\!
Joomla! Project Cms — versions 3.2.0-3.9.24

References

security@joomla.org (vendor-advisory, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2021-23128?: CVE-2021-23128 is a critical-severity vulnerability in Joomla Joomla\!. CVSS score: 9.1/10. Published 2021-03-04.
How severe is CVE-2021-23128?: Critical severity. CVSS v3 base score is 9.1 out of 10.