Insecure DLL loading in Fujitsu ScanSnap Manager and Software Download Installer



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-20722
CWE-ID CWE-427
Exploitation vector Local
Public exploit N/A
Vulnerable software
 ScanSnap Manager
Other software / Other software solutions

Software Download Installer
Other software / Other software solutions

Vendor Fujitsu

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU53410

Risk: Low

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-20722

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

The vulnerability allows a local attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A local attacker can place a specially crafted .dll file and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ScanSnap Manager: before 7.0L20

Software Download Installer: before WinSSInst2JP.exe

CPE2.3 External links

http://jvn.jp/en/jp/JVN65733194/index.html


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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