CVE-2021-28927

HIGH

libretro RetroArch 1.9.0-1.9.4 - OS Command Injection via Text-to-Speech Engine

Title source: llm
STIX 2.1

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.

References (4)

Core 4
Core References
Exploit, Vendor Advisory x_refsource_misc
http://libretro.com
Product, Vendor Advisory x_refsource_misc
http://retroarch.com
Exploit, Third Party Advisory x_refsource_misc
https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0

Scores

CVSS v3 7.8
EPSS 0.0150
EPSS Percentile 71.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-78
Status published
Products (1)
libretro/retroarch 1.9.0 - 1.9.4
Published Apr 07, 2021
Tracked Since Feb 18, 2026