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MEDIUM · 5.3

CVE-2022-31803

In CODESYS Gateway Server V2 an insufficient check for the activity of TCP client connections allows an unauthenticated attacker to consume all available TCP connections and prevent legitimate users o...

Vulnerability Description

In CODESYS Gateway Server V2 an insufficient check for the activity of TCP client connections allows an unauthenticated attacker to consume all available TCP connections and prevent legitimate users or clients from establishing a new connection to the CODESYS Gateway Server V2. Existing connections are not affected and therefore remain intact.

CVSS Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
LOW

Affected Products

VendorProductVersions
CodesysGateway>= 2.0, < 2.3.9.38

Related Weaknesses (CWE)

CWE-400

References

FAQ

What is CVE-2022-31803?

CVE-2022-31803 is a vulnerability with a CVSS score of 5.3 (MEDIUM). In CODESYS Gateway Server V2 an insufficient check for the activity of TCP client connections allows an unauthenticated attacker to consume all available TCP connections and prevent legitimate users o...

How severe is CVE-2022-31803?

CVE-2022-31803 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2022-31803?

Check the references section above for vendor advisories and patch information. Affected products include: Codesys Gateway.