CVEvulnerability
CVE-2021-28927
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-07
- Last modified
- 2026-07-09
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-78
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.
Affected configurations
• libretro retroarch (>= 1.9.0 <= 1.9.4)
Related
Weakness · CWE (1)
- CWE-78 Improper Neutralization of Special Elements used in an OS Command weakness
References
- https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c Patch, Third Party Advisory
- https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0 Exploit, Third Party Advisory
- https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c Patch, Third Party Advisory
- https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0 Exploit, Third Party Advisory