CVE-2021-26038

[20210704] - Core - Privilege escalation through com_installer

Description

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.01%
Vendor Advisory joomla.org
Affected: Joomla! Project Joomla! CMS
Published at:
Updated at:

References

Link Tags
https://developer.joomla.org/security-centre/859-20210704-core-privilege-escalation-through-com-installer.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-26038?
CVE-2021-26038 has been scored as a high severity vulnerability.
How to fix CVE-2021-26038?
To fix CVE-2021-26038, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-26038 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-26038 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-26038?
CVE-2021-26038 affects Joomla! Project Joomla! CMS.
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