CVE-2025-3449

A Generation of Predictable Numbers or Identifiers vulnerability in the SDM component of B&R Automation Runtime versions before 6.4 may allow an unauthenticated network-based attacker to take over already established sessions.

CVSS v3 4.2 MEDIUM

4.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.6 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://www.br-automation.com/fileadmin/SA25P003-178b6a20.pdf

Configurations

No configuration.

History

08 Oct 2025, 14:15

Type	Values Removed	Values Added
Summary	~~(en) Generation of Predictable Numbers or Identifiers vulnerability in B&R Industrial Automation Automation Runtime.This issue affects Automation Runtime: from 6.0 before 6.4.~~	(en) A Generation of Predictable Numbers or Identifiers vulnerability in the SDM component of B&R Automation Runtime versions before 6.4 may allow an unauthenticated network-based attacker to take over already established sessions.

07 Oct 2025, 19:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-07 19:15

Updated : 2025-10-08 19:38

NVD link : CVE-2025-3449

Mitre link : CVE-2025-3449

CVE.ORG link : CVE-2025-3449

JSON object : View

Products Affected

No product.

CWE

CWE-340

Generation of Predictable Numbers or Identifiers

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