Back to CVE records
Medium 4.2Published Oct 7, 2025
CVE-2025-3449Weak Session Token used in Automation Runtime SDM
Updated under an hour ago ()
Does this affect you?
It affects B&R Industrial Automation GmbH Automation Runtime. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
Do this next
Start free and add your stack
Free account, 1 product
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
- 4.2 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-340
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- ABB
- NVD analysis
- Deferred
- Record last updated
- Oct 8, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
B&R Industrial Automation GmbH Automation Runtime b_and_r_industrial_automation:automation_runtime (from the name) | from 6.0 before 6.4; 4 | CNA record |
References
- https://www.br-automation.com/fileadmin/SA25P003-178b6a20.pdf
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.