#VU57664 Access of Uninitialized Pointer in V-Server Lite and Tellus Lite V-Simulator - CVE-2021-38409

Vulnerability identifier: #VU57664

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-38409

CWE-ID: CWE-824

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
V-Server Lite
Server applications / Web servers
Tellus Lite V-Simulator
Server applications / Other server solutions

Vendor: Fuji Electric

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to an access of uninitialized pointer. A remote attacker can execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

V-Server Lite: before 4.0.12.0

Tellus Lite V-Simulator: before 4.0.12.0

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External links
https://ics-cert.us-cert.gov/advisories/icsa-21-299-01

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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