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2 vulnerabilities found for CODESYS Modbus by CODESYS

CVE-2026-35227 (GCVE-0-2026-35227)

Vulnerability from nvd – Published: 2026-05-12 07:14 – Updated: 2026-05-13 14:38
VLAI?
Title
Improper resource management in CODESYS Modbus TCP Server
Summary
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
Severity ?
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
CODESYS CODESYS Modbus Affected: 1.0.0.0 , < 4.6.0.0 (semver)
Create a notification for this product.
Credits
ABB Schweiz AG
Show details on NVD website
To clipboard 

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CVE-2026-35227 (GCVE-0-2026-35227)

Vulnerability from cvelistv5 – Published: 2026-05-12 07:14 – Updated: 2026-05-13 14:38
VLAI?
Title
Improper resource management in CODESYS Modbus TCP Server
Summary
An unauthenticated remote attacker may exhaust all available TCP connections in the CODESYS Modbus TCP Server stack if a race condition in connection handling is successfully exploited, preventing legitimate clients from establishing new connections.
Severity ?
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
  • CWE-772 - Missing Release of Resource after Effective Lifetime
Assigner
References
Impacted products
Vendor Product Version
CODESYS CODESYS Modbus Affected: 1.0.0.0 , < 4.6.0.0 (semver)
Create a notification for this product.
Credits
ABB Schweiz AG
Show details on NVD website
To clipboard 

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