CVE-2012-6068

3S CoDeSys Improper Access Control

Published Jan 21, 2013 CVSS 3.1 · 9.8 Critical EPSS 5.3% KEV · Not listed
Description
The Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attackers to execute commands via the command-line interface in the TCP listener service or transfer files via requests to the TCP listener service.

Remediation

Vendor Solution

CoDeSys recommends upgrading to the latest version, which is Version 3. It can be downloaded here https://store.codesys.com/engineering/codesys.html .3S released a patch which implements a password for authentication to the device. The patch can be downloaded from the CoDeSys Download Center http://www.codesys.com/download.html . CoDeSys Version 3.X is not affected by these vulnerabilities.


Vendor Workaround

3S also recommends the usage of standard security methods like firewalls or virtual private network (VPN) access to prevent unauthorized access to the controller.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2012-5942 The Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attackers to execute commands via the command-line interface in the TCP listener service or transfer files via requests to the TCP listener service.
History
Type Values Removed Values Added
Description The Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attackers to (1) execute commands via the command-line interface in the TCP listener service or (2) transfer files via requests to the TCP listener service. The Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attackers to execute commands via the command-line interface in the TCP listener service or transfer files via requests to the TCP listener service.
Title 3S CoDeSys Improper Access Control
Weaknesses CWE-284
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Jul 2, 2025, 8:12 PM
Reserved
Dec 5, 2012, 12:00 AM
Status
Modified
Published
Jan 21, 2013, 9:55 PM
Modified
Jun 16, 2026, 11:47 PM