CVE-2021-28927
7.8 · HIGHOverview
CVE-2021-28927 is a high-severity vulnerability affecting libretro retroarch. It was published on April 7, 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. Some level of privileges is required for exploitation.
Technical Description
The text-to-speech engine in libretro RetroArch for Windows 1.9.0 passes unsanitized input to PowerShell through platform_win32.c via the accessibility_speak_windows function, which allows attackers who have write access on filesystems that are used by RetroArch to execute code via command injection using specially a crafted file and directory names.
Remediation
Check the references section for vendor advisories and patches from libretro. Update retroarch 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 |
|---|---|---|---|
| libretro | retroarch | 1.9.0 | Affected |
References
Frequently Asked Questions
What is CVE-2021-28927?
CVE-2021-28927 is a high-severity vulnerability affecting libretro retroarch. It was published on April 7, 2021 and has a CVSS 3.1 base score of 7.8 (HIGH).
How severe is CVE-2021-28927?
This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-28927?
Check the references section for vendor advisories and patches from libretro. Update retroarch 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-2021-28927?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-28927 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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