Denial of Service Vulnerability in Siemens SIMATIC Devices
CVE-2022-43716

7.5HIGH

Key Information:

Vendor
Siemens
Status
Simatic Cp 1242-7 V2
Simatic Cp 1243-1
Simatic Cp 1243-1 Dnp3 (incl. Siplus Variants)
Simatic Cp 1243-1 Iec (incl. Siplus Variants)
Vendor
CVE Published:
11 April 2023

Summary

A vulnerability in various Siemens SIMATIC products, including CP and ET series, has been discovered that could lead to a denial of service (DoS) condition. The webserver of the affected devices may be susceptible to triggering a DoS scenario, forcing it to restart. This may disrupt service availability, impacting operational efficiency and potentially compromising system integrity.

Affected Version(s)

SIMATIC CP 1242-7 V2 0

SIMATIC CP 1243-1 0

SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) 0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-56690...
https://cert-portal.siemens.com/productcert/html/ssa-1396...
https://cert-portal.siemens.com/productcert/html/ssa-5669...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.