#VU54324 Stack-based buffer overflow in CODESYS V2 web server - CVE-2021-30189

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Main Vulnerability Database Vulnerabilities #VU54324

#VU54324 Stack-based buffer overflow in CODESYS V2 web server - CVE-2021-30189

Published: June 23, 2021


Vulnerability identifier: #VU54324
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-30189
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
CODESYS V2 web server
Software vendor:
CODESYS

Description

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

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links