CVE-2020-36401
7.8 · HIGHOverview
CVE-2020-36401 is a high-severity vulnerability affecting mruby mruby. It was published on July 1, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
mruby 2.1.2 has a double free in mrb_default_allocf (called from mrb_free and obj_free).
Remediation
Check the references section for vendor advisories and patches from mruby. Update mruby 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 |
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References
Frequently Asked Questions
What is CVE-2020-36401?
CVE-2020-36401 is a high-severity vulnerability affecting mruby mruby. It was published on July 1, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2020-36401?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2020-36401?
Check the references section for vendor advisories and patches from mruby. Update mruby 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-2020-36401?
CyberStrike's AI-powered security agents can automatically detect CVE-2020-36401 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
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