Plcwinnt
CVE-2022-32140
MEDIUM
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Primary rating from Vendor (cert) · only source for this CVE.
CVSS VectorVendor: cert
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionCVE.org
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.
AnalysisAI
Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Technical ContextAI
This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required. Affected products include: Codesys Plcwinnt, Codesys Runtime Toolkit.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.
In CODESYS V2 Runtime Toolkit 32 Bit full and PLCWinNT prior to versions V2.4.7.56 unauthenticated crafted invalid reque
In CODESYS V2 PLCWinNT and Runtime Toolkit 32 in versions prior to V2.4.7.57 password protection is not enabled by defau
In multiple CODESYS products, file download and upload function allows access to internal files in the working directory
In multiple CODESYS products, a remote attacker may craft a request which may cause an unexpected sign extension, result
In multiple CODESYS products, a low privileged remote attacker may craft a request, which may cause a heap-based buffer
Multiple CODESYS Products are prone to a out-of bounds read or write access. Rated high severity (CVSS 8.1), this vulner
Multiple products of CODESYS implement a improper error handling. Rated high severity (CVSS 8.1), this vulnerability is
A crafted request with invalid offsets may cause an out-of-bounds read or write access in CODESYS V2 Runtime Toolkit 32
In the CODESYS Development System multiple components in multiple versions transmit the passwords for the communication
CODESYS V2 runtime system before 2.4.7.55 has Improper Input Validation. Rated high severity (CVSS 7.5), this vulnerabil
CODESYS V2 runtime system SP before 2.4.7.55 has a Heap-based Buffer Overflow. Rated high severity (CVSS 7.5), this vuln
Multiple CODESYS Products are prone to a buffer over read. Rated medium severity (CVSS 6.5), this vulnerability is remot
Same weakness CWE-120 – Classic Buffer Overflow
View allSame technique Buffer Overflow
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External POC / Exploit Code
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