CVE-2020-11890

Name: CVE-2020-11890
Creator: NVD / NIST
Published: 2020-04-21T17:15:12.427+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.3/10EPSS 2.76%

Last modified Jun 17, 2026

CVE-2020-11890 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to a broken ACL configuration.. EPSS estimates a 2.76% chance of exploitation in the next 30 days.

Description

An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to a broken ACL configuration.

Metrics

CVSS 3.1

5.3/10

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

EPSS Probability

2.76%

84.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Joomla	Joomla\!	>= 2.5.0, < 3.9.17

References

Timeline

Published: Apr 21, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-11890?

An issue was discovered in Joomla! before 3.9.17. Improper input validations in the usergroup table class could lead to a broken ACL configuration.

How severe is CVE-2020-11890?

CVE-2020-11890 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 2.76% probability of exploitation in the next 30 days.

How do I fix CVE-2020-11890?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-11890?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST