Denial of Service Vulnerability in Siemens SIMATIC S7-1200 Products
CVE-2025-24811

8.7HIGH

Key Information:

Vendor
Siemens
Status
Simatic S7-1200 Cpu 1211c Ac/dc/rly
Simatic S7-1200 Cpu 1211c Dc/dc/dc
Simatic S7-1200 Cpu 1211c Dc/dc/rly
Simatic S7-1200 Cpu 1212c Ac/dc/rly
Vendor
CVE Published:
11 February 2025

Summary

The identified vulnerability in several models of Siemens SIMATIC S7-1200 CPUs allows unauthenticated attackers to disrupt device operation. Specifically, devices fail to properly handle specially crafted packets sent to port 80/tcp, potentially resulting in denial of service conditions. Such vulnerabilities may affect critical operations within industrial environments and require prompt attention to mitigate risks.

Affected Version(s)

SIMATIC S7-1200 CPU 1211C AC/DC/Rly 0

SIMATIC S7-1200 CPU 1211C DC/DC/DC 0

SIMATIC S7-1200 CPU 1211C DC/DC/Rly 0

References

https://cert-portal.siemens.com/productcert/html/ssa-2248...

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.