CVE-2021-20793

HIGH

Sony Audio USB Driver <V1.10 - Privilege Escalation

Title source: llm

Description

Untrusted search path vulnerability in the installer of Sony Audio USB Driver V1.10 and prior and the installer of HAP Music Transfer Ver.1.3.0 and prior allows an attacker to gain privileges and execute arbitrary code via a Trojan horse DLL in an unspecified directory.

References (4)

[Third Party Advisory] https://jvn.jp/en/jp/JVN80288258/index.html

[Product, Vendor Advisory] https://www.sony.co.uk/electronics/support/software/00266642

[Product, Vendor Advisory] https://www.sony.co.uk/electronics/support/software/00266749

[Product, Vendor Advisory] https://www.sony.co.uk/electronics/support/software/00266758

Scores

CVSS v3 7.8

EPSS 0.0021

EPSS Percentile 42.4%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Classification

CWE

CWE-427

Status published

Affected Products (2)

sony/audio_usb_driver < 1.10

sony/hap_music_transfer < 1.3.0

Timeline

Published Aug 26, 2021

Tracked Since Feb 18, 2026