What is CVE-2022-31803?

CVE-2022-31803 is a medium-severity vulnerability in Codesys Gateway Server V2, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-06-24.

How severe is CVE-2022-31803?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Resource exhaustion in Codesys Gateway Server V2

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 or clients from establishing a new connection to the CODESYS Gateway Server V2. Existing connections are not affected and therefore remain intact.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.011 (63.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Codesys Gateway Server V2 — versions V2
Codesys Gateway

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

info@cert.vde.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2022-31803?: CVE-2022-31803 is a medium-severity vulnerability in Codesys Gateway Server V2, classified under Uncontrolled Resource Consumption. CVSS score: 5.3/10. Published 2022-06-24.
How severe is CVE-2022-31803?: Medium severity. CVSS v3 base score is 5.3 out of 10.