Codesys Runtime System
CVE-2012-6069
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Relative path traversal prevention
|
| Impact | CVSS score of 10.0 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. EPSS exploitation probability: 2.23%. |
| Exploit ScenarioDerived | This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the critical-severity affected system. |
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Alert meAnalysisAI
The CoDeSys Runtime Toolkit’s file transfer functionality does not perform input validation, which allows an attacker to access files and directories outside the intended scope. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.
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Technical ContextAI · show details
This vulnerability is classified under CWE-23. The CoDeSys Runtime Toolkit’s file transfer functionality does not perform input validation, which allows an attacker to access files and directories outside the intended scope. This may allow an attacker to upload and download any file on the device. This could allow the attacker to affect the availability, integrity, and confidentiality of the device. Affected products include: 3S-Software Codesys Runtime System.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionCVE.org
The CoDeSys Runtime Toolkit’s file transfer functionality does not perform input validation, which allows an attacker to access files and directories outside the intended scope. This may allow an attacker to upload and download any file on the device. This could allow the attacker to affect the availability, integrity, and confidentiality of the device.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
Affected Products (CPE)CVE.org
More in Codesys Runtime System
View allThe Runtime Toolkit in CODESYS Runtime System 2.3.x and 2.4.x does not require authentication, which allows remote attac
The Festo CECX-X-C1 Modular Master Controller with CoDeSys and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion
A Stack-based Buffer Overflow issue was discovered in 3S-Smart CODESYS Web Server. Rated critical severity (CVSS 9.8), t
The Festo CECX-X-C1 Modular Master Controller with CoDeSys and CECX-X-M1 Modular Controller with CoDeSys and SoftMotion
Runtime Toolkit before 2.4.7.48 in 3S-Smart CODESYS before 2.3.9.48 allows remote attackers to cause a denial of service
NVD
CVE.org
EPSS
GitHub PoC
Exploit-DB