Skip to content

Product

CODESYS Modbus vulnerabilities

1 published CVE affecting CODESYS Modbus, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
1
Critical
0
High
1
Medium
0
Low
0
Unscored
0
CISA KEV
0

Latest CODESYS Modbus CVEs

Newest publication first

  1. CVE-2026-35227 Improper resource management in CODESYS Modbus TCP Server

    Published
    HighCVSS 8.2 EPSS 0.35%

    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.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.