CVE-2021-28927

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2026-07-05T15:50:11.950Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"}, {"url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-28927", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://libretro.com", "refsource": "MISC", "url": "http://libretro.com"}, {"name": "http://retroarch.com", "refsource": "MISC", "url": "http://retroarch.com"}, {"name": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c", "refsource": "MISC", "url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"}, {"name": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0", "refsource": "MISC", "url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-09T00:12:55.241Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-28927", "datePublished": "2021-04-07T14:09:35.000Z", "dateReserved": "2021-03-19T00:00:00.000Z", "dateUpdated": "2026-07-09T00:12:55.241Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:libretro:retroarch:*:*:*:*:*:*:*:*", "matchCriteriaId": "76E4437F-8065-4577-A04A-2FDFE7EA623A", "versionEndIncluding": "1.9.4", "versionStartIncluding": "1.9.0", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "El motor de text-to-speech en libretro RetroArch para Windows versi\u00f3n 1.9.0 pasa la entrada no saneada a PowerShell mediante el archivo platform_win32.c por medio de la funci\u00f3n accessibility_speak_windows, que permite a atacantes que presentan acceso de escritura en los sistemas de archivos que usa RetroArch para ejecutar c\u00f3digo por medio de la inyecci\u00f3n de comandos usando especialmente un nombres de archivos y directorios dise\u00f1ados"}], "id": "CVE-2021-28927", "lastModified": "2026-07-09T01:16:49.740", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-07T15:15:13.623", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/libretro/RetroArch/blob/d3dc3ee989ec6a4903c689907ffc47027f71f776/frontend/drivers/platform_win32.c"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://labs.bishopfox.com/advisories/retroarch-for-windows-version-1.9.0"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}