CVE-2021-20722

Name: CVE-2021-20722
Creator: NVD / NIST
Published: 2021-05-24T04:15:14.857+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.44%

Last modified Jun 17, 2026

CVE-2021-20722 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Untrusted search path vulnerability in the installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer via a Trojan horse DLL in an unspecified directory.. EPSS estimates a 0.44% chance of exploitation in the next 30 days.

Description

Untrusted search path vulnerability in the installers of ScanSnap Manager prior to versions V7.0L20 and the Software Download Installer prior to WinSSInst2JP.exe and WinSSInst2iX1500JP.exe allows an attacker to gain privileges and execute arbitrary code with the privilege of the user invoking the installer 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

0.44%

35.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-427

Affected Software

Vendor	Product	Versions
Fujitsu	Scansnap Manager	< 7.0l20

References

https://jvn.jp/en/jp/JVN65733194/index.htmlThird Party Advisory
https://scansnap.fujitsu.com/global/dl/Product, Vendor Advisory
https://jvn.jp/en/jp/JVN65733194/index.htmlThird Party Advisory
https://scansnap.fujitsu.com/global/dl/Product, Vendor Advisory

Timeline

Published: May 24, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-20722?

How severe is CVE-2021-20722?

CVE-2021-20722 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.44% probability of exploitation in the next 30 days.

How do I fix CVE-2021-20722?

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-2021-20722?

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

Scan your code now

Source: NVD / NIST