Codesys
CVE-2021-29239
HIGH
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity.
AnalysisAI
CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified under CWE-345. CODESYS Development System 3 before 3.5.17.0 displays or executes malicious documents or files embedded in libraries without first checking their validity. Affected products include: Codesys Development System. Version information: before 3.5.17.0.
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.
CODESYS V3 web server before 3.5.15.40, as used in CODESYS Control runtime systems, has a buffer overflow. Rated critica
CODESYS 3 web server before 3.5.15.20, as distributed with CODESYS Control runtime systems, has a Buffer Overflow. Rated
Crafted web server requests can be utilised to read partial stack or heap memory or may trigger a denial-of- service con
An exploitable code execution vulnerability exists in the PLC_Task functionality of 3S-Smart Software Solutions GmbH COD
An unsafe deserialization vulnerability exists in the Engine.plugin ProfileInformation ProfileData functionality of CODE
An unsafe deserialization vulnerability exists in the ObjectManager.plugin Project.get_MissingTypes() functionality of C
An unsafe deserialization vulnerability exists in the ObjectManager.plugin ObjectStream.ProfileByteArray functionality o
A unsafe deserialization vulnerability exists in the ObjectManager.plugin ProfileInformation.ProfileData functionality o
A unsafe deserialization vulnerability exists in the ComponentModel ComponentManager.StartupCultureSettings functionalit
The Package Manager of CODESYS Development System 3 before 3.5.17.0 does not check the validity of packages before insta
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid reque
In the CODESYS V2 web server prior to V1.1.9.22 crafted web server requests may cause a Null pointer dereference in the
Same technique Information Disclosure
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External POC / Exploit Code
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