CVE-2021-20793

Name: CVE-2021-20793
Creator: NVD / NIST
Published: 2021-08-26T02:15:09.573+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.32%

Last modified Jun 17, 2026

CVE-2021-20793 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.32% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

0.32%

23.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Sony	Audio Usb Driver	<= 1.10
Sony	Hap Music Transfer	<= 1.3.0

References

https://jvn.jp/en/jp/JVN80288258/index.htmlThird Party Advisory
https://www.sony.co.uk/electronics/support/software/00266642Product, Vendor Advisory
https://www.sony.co.uk/electronics/support/software/00266749Product, Vendor Advisory
https://www.sony.co.uk/electronics/support/software/00266758Product, Vendor Advisory
https://jvn.jp/en/jp/JVN80288258/index.htmlThird Party Advisory
https://www.sony.co.uk/electronics/support/software/00266642Product, Vendor Advisory
https://www.sony.co.uk/electronics/support/software/00266749Product, Vendor Advisory
https://www.sony.co.uk/electronics/support/software/00266758Product, Vendor Advisory

Timeline

Published: Aug 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20793?

How severe is CVE-2021-20793?

CVE-2021-20793 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.32% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20793?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-20793?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST