#VU54328 Out-of-bounds write in CODESYS V2 web server - CVE-2021-30193

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Main Vulnerability Database Vulnerabilities #VU54328

#VU54328 Out-of-bounds write in CODESYS V2 web server - CVE-2021-30193

Published: June 23, 2021


Vulnerability identifier: #VU54328
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-2021-30193
CWE-ID: CWE-787
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 compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input. A remote attacker can use a specially crafted web server request, trigger out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install updates from vendor's website.

External links