Memory Allocation Vulnerability in TeleControl Server Basic by Siemens
CVE-2025-29931

6.3MEDIUM

Key Information:

Vendor

Siemens
Status
Telecontrol Server Basic
Vendor
CVE Published:
17 April 2025

What is CVE-2025-29931?

A vulnerability exists in TeleControl Server Basic that affects all versions prior to 3.1.2.2. The flaw arises from improper validation of a length field in serialized messages, which is used to determine the memory allocation for deserialization. This oversight could enable an unauthenticated remote attacker to exploit the system, leading to excessive memory allocation and resulting in a partial denial of service. It is important to note that successful exploitation is contingent upon the specific configuration of redundant setups and a disruption in the connection between these servers.

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Affected Version(s)

TeleControl Server Basic 0

References

https://cert-portal.siemens.com/productcert/html/ssa-3953...

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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