// For flags

CVE-2022-31804

CODESYS Gateway server prone to denial of service attack due to excessive memory allocation

Severity Score

7.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

The CODESYS Gateway Server V2 does not verifiy that the size of a request is within expected limits. An unauthenticated attacker may allocate an arbitrary amount of memory, which may lead to a crash of the Gateway due to an out-of-memory condition.

El CODESYS Gateway Server versiónV2 no verifica que el tamaño de una petición esté dentro de los límites previstos. Un atacante no autenticado puede asignar una cantidad arbitraria de memoria, lo que puede conllevar a un bloqueo del Gateway debido a una condición de falta de memoria

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
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
  • 2023-12-05 EPSS Updated
  • 2024-09-16 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-789: Memory Allocation with Excessive Size Value
CAPEC
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