// For flags

CVE-2022-32140

CODESYS runtime system prone to denial of service due to buffer copy

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

Multiple CODESYS products are affected to a buffer overflow.A low privileged remote attacker may craft a request, which can cause a buffer copy without checking the size of the service, resulting in a denial-of-service condition. User Interaction is not required.

diversos productos de CODESYS están afectados por un desbordamiento de búfer. Un atacante remoto poco privilegiado puede diseñar una petición, que puede causar una copia del búfer sin comprobar el tamaño del servicio, resultando en una condición de denegación de servicio. No es requerida una interacción del usuario

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
Single
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2022-05-31 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-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
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"
 Plcwinnt
Search vendor "Codesys" for product "Plcwinnt"
 >= 2.0 < 2.4.7.57
Search vendor "Codesys" for product "Plcwinnt" and version " >= 2.0 < 2.4.7.57"
-
Affected
Codesys
Search vendor "Codesys"
 Runtime Toolkit
Search vendor "Codesys" for product "Runtime Toolkit"
 >= 2.0 < 2.4.7.57
Search vendor "Codesys" for product "Runtime Toolkit" and version " >= 2.0 < 2.4.7.57"
x86
Affected