Denial of Service Vulnerability in Siemens Products
CVE-2023-46156

7.5HIGH

Key Information:

Vendor

Siemens
Status
Simatic Drive Controller Cpu 1504d Tf
Simatic Drive Controller Cpu 1507d Tf
Simatic Et 200sp Open Controller Cpu 1515sp Pc2 (incl. Siplus Variants)
Simatic S7-1500 Cpu 1510sp F-1 Pn
Vendor
CVE Published:
12 December 2023

What is CVE-2023-46156?

Certain Siemens devices are vulnerable due to improper handling of specially crafted packets sent to TCP port 102. This loophole allows attackers to induce a denial of service condition, causing normal operations to cease. To restore functionality, a device restart is necessary.

Affected Version(s)

SIMATIC Drive Controller CPU 1504D TF 0

SIMATIC Drive Controller CPU 1507D TF 0

SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) 0

References

https://cert-portal.siemens.com/productcert/pdf/ssa-59238...
https://cert-portal.siemens.com/productcert/pdf/ssa-28060...
https://cert-portal.siemens.com/productcert/html/ssa-5923...

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

.
CVE-2023-46156 : Denial of Service Vulnerability in Siemens Products