#VU57663 Out-of-bounds read in V-Server Lite and Tellus Lite V-Simulator - CVE-2021-38421
Published: October 27, 2021 / Updated: October 28, 2021
Vulnerability identifier: #VU57663
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-38421
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
V-Server Lite
Tellus Lite V-Simulator
V-Server Lite
Tellus Lite V-Simulator
Software vendor:
Fuji Electric
Fuji Electric
Description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the parsing of V8 files within the V-Simulator module. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system, or perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.