CVE-2022-31803

CODESYS Gateway Server V2 prone to Denial of Service Attack

Severity Score

5.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

En CODESYS Gateway Server versión V2, una comprobación insuficiente de la actividad de las conexiones de clientes TCP permite a un atacante no autenticado consumir todas las conexiones TCP disponibles e impedir que los usuarios o clientes legítimos establezcan una nueva conexión con CODESYS Gateway Server V2. Las conexiones existentes no están afectadas y, por tanto, permanecen intactas

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2022-05-30 CVE Reserved
2022-06-24 CVE Published
2024-01-15 EPSS Updated
2024-09-16 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://customers.codesys.com/index.php?eID=dumpFile&t=f&f=17141&token=17867e35cfd30c77ba0137f9a17b3a557a4b7b66&download=	2022-07-01

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Codesys Search vendor "Codesys"		Gateway Search vendor "Codesys" for product "Gateway"				>= 2.0 < 2.3.9.38 Search vendor "Codesys" for product "Gateway" and version " >= 2.0 < 2.3.9.38"		-		Affected