CVE-2021-26038
7.5 · HIGHOverview
CVE-2021-26038 is a high-severity vulnerability affecting joomla joomla\!. It was published on July 7, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from joomla. Update joomla\! to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| joomla | joomla\! | 2.5.0 | Affected |
Frequently Asked Questions
What is CVE-2021-26038?
CVE-2021-26038 is a high-severity vulnerability affecting joomla joomla\!. It was published on July 7, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2021-26038?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2021-26038?
Check the references section for vendor advisories and patches from joomla. Update joomla\! to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-26038?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-26038 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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