CVE-2025-3449 PUBLISHED

Weak Session Token used in Automation Runtime SDM

Assigner: ABB
Reserved: 08.04.2025 Published: 07.10.2025 Updated: 07.10.2025

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.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
CVSS Score: 2.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	None
User Interaction	Passive

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
CVSS Score: 4.2

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	Low
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	B&R Industrial Automation
Product	Automation Runtime
Versions	Default: unaffected affected from 6.0 to 6.4 (excl.)

References

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

Problem Types

CWE-340 Generation of Predictable Numbers or Identifiers CWE