What is CVE-2021-26038?

CVE-2021-26038 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2021-07-07.

How severe is CVE-2021-26038?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Joomla Joomla\!

CVE-2021-26038

An issue was discovered in Joomla! 2.5.0 through 3.9.27. Install action in com_installer lack the required hardcoded ACL checks for superusers. A default system is not affected cause the default ACL for com_installer is limited to super users already.

EPSS: 0.010 (59.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 2.5.0-3.9.27

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

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

Frequently asked questions

What is CVE-2021-26038?: CVE-2021-26038 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 7.5/10. Published 2021-07-07.
How severe is CVE-2021-26038?: High severity. CVSS v3 base score is 7.5 out of 10.