SQL Injection Vulnerability in TeleControl Server Basic by Siemens
CVE-2025-27539

9.3CRITICAL

Key Information:

Vendor

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

What is CVE-2025-27539?

A significant SQL injection vulnerability has been identified in TeleControl Server Basic prior to version 3.1.2.2. This flaw, located in the 'VerifyUser' method, enables an unauthenticated remote attacker to manipulate database operations. By exploiting this vulnerability, attackers could bypass authorization controls, gain unauthorized access to sensitive data, and execute malicious code with elevated permissions, specifically using the 'NT AUTHORITY\NetworkService' account. Access to port 8000 is necessary for the attack to succeed, emphasizing the importance of securing network configurations to mitigate this risk.

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Affected Version(s)

TeleControl Server Basic 0

References

https://cert-portal.siemens.com/productcert/html/ssa-4434...

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

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