Insufficient verification of data authenticity in CODESYS Control Runtime System Toolkit - CVE-2020-6081

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Main Vulnerability Database Vulnerabilities #VU27676

Insufficient verification of data authenticity in CODESYS Control Runtime System Toolkit - CVE-2020-6081

Published: May 11, 2020


Vulnerability identifier: #VU27676
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-6081
CWE-ID: CWE-345
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: CODESYS
Affected software:
CODESYS Control Runtime System Toolkit

Detailed vulnerability description

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

The vulnerability exists due to insufficient verification of data authenticity issue in the "PLC_Task" functionality. A remote authenticated attacker can send a specially crafted network request and execute arbitrary code on the target system.


How to mitigate CVE-2020-6081

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources