Vulnerability-Lookup

VAR-202206-2040

Vulnerability from variot - Updated: 2025-07-04 22:38

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. CODESYS GmbH of CODESYS Gateway Exists in a resource exhaustion vulnerability.Service operation interruption (DoS) It may be in a state

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CVE-2022-31803 (GCVE-0-2022-31803)

Vulnerability from cvelistv5 – Published: 2022-06-24 07:46 – Updated: 2024-09-16 20:01

Title

CODESYS Gateway Server V2 prone to Denial of Service Attack

Summary

Severity ?

5.3 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE

CWE-400 - Uncontrolled Resource Consumption

Assigner

CERTVDE

References

URL

Tags

https://customers.codesys.com/index.php?eID=dumpF…

x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	CODESYS	CODESYS Gateway Server V2	Affected: V2 , < V2.3.9.38 (custom)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202206-2040

CVE-2022-31803 (GCVE-0-2022-31803)

Tags

Sightings

Nomenclature