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CODESYS Gateway Server V2 vulnerabilities

20 known vulnerabilities, 0 confirmed exploited in the wild (CISA KEV), 1 published in the last 12 months.

Check whether your CODESYS Gateway Server V2 version is affected

Latest CODESYS Gateway Server V2 vulnerabilities

• CVE-2026-76992 — Uncontrolled Memory Allocation in CODESYS Gateway Client (CVSS 7.5)
• CVE-2023-5751 — CODESYS: Development system prone to DoS through exposure of resource to wrong sphere (CVSS 7.8)
• CVE-2022-30792 — CODESYS: CmpChannelServer, CmpChannelServerEmbedded allow unauthenticated attackers to block all their available communication channels (CVSS 5.0)
• CVE-2022-30791 — CODESYS V3: CmpBlkDrvTcp allows unauthenticated attackers to block all its available TCP connections (CVSS 5.0)
• CVE-2022-31805 — Insecure transmission of credentials (CVSS 4.3)
• CVE-2022-31804 — CODESYS Gateway server prone to denial of service attack due to excessive memory allocation (CVSS 5.0)
• CVE-2022-31803 — CODESYS Gateway Server V2 prone to Denial of Service Attack (CVSS 5.0)
• CVE-2022-31802 — Partial string comparison in CODESYS gateway server (CVSS 7.5)
• CVE-2022-22517 — Communication Components in multiple CODESYS products vulnerable to communication channel disruption (CVSS 7.5)
• CVE-2022-22514 — Untrusted Pointer Dereference in multiple CODESYS products can lead to a DoS. (CVSS 7.1)
• CVE-2022-22513 — Null Pointer Dereference in multiple CODESYS products can lead to a DoS. (CVSS 6.5)
• CVE-2021-36764 — (CVSS 7.5)
• CVE-2021-29242 — (CVSS 7.3)
• CVE-2021-29241 — (CVSS 7.5)
• CVE-2020-7052 — (CVSS 6.5)
• CVE-2019-9009 — (CVSS 7.5)
• CVE-2019-9012 — (CVSS 7.5)
• CVE-2019-9010 — (CVSS 9.8)
• CVE-2018-20026 — (CVSS 7.5)
• CVE-2018-20025 — (CVSS 7.5)