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CVE-2020-15945

5.5 · MEDIUM
Published Jul 24, 2020 lua EPSS 0.53% (43th pctl)

Overview

CVE-2020-15945 is a medium-severity vulnerability affecting lua lua. It was published on July 24, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

Remediation

Check the references section for vendor advisories and patches from lua. Update lua 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
lua lua >= 5.3.1, < 5.4.0 Affected

Frequently Asked Questions

What is CVE-2020-15945?

CVE-2020-15945 is a medium-severity vulnerability affecting lua lua. It was published on July 24, 2020 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2020-15945?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-15945?

Check the references section for vendor advisories and patches from lua. Update lua 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-2020-15945?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-15945 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.