CVE-2021-23128 — CRITICAL (9.1)

Q: How severe is CVE-2021-23128?

CVE-2021-23128 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2021-23128?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Joomla	Joomla\!	>= 3.2.0, < 3.9.25

References

https://developer.joomla.org/security-centre/842-20210302-core-potential-insecurVendor Advisory
https://developer.joomla.org/security-centre/842-20210302-core-potential-insecurVendor Advisory

FAQ

What is CVE-2021-23128?

CVE-2021-23128 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 r...

How severe is CVE-2021-23128?

CVE-2021-23128 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-23128?

Check the references section above for vendor advisories and patch information. Affected products include: Joomla Joomla\!.