Weak Session Token used in Automation Runtime SDM
Priority LOW 11CWE-340Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0019 8th percentileScored 2026-11-07
Fix Fixed Automation Runtime (B&R Industrial Automation GmbH): 6.4
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| B&R Industrial Automation | Automation Runtime | 6.0 to before 6.4; 4 | 6.4 | Patch available | CNA |
- Automation Runtime VendorB&R Industrial Automation Affected 6.0 to before 6.4; 4 Fixed in 6.4 Patch available CNA
CPE names Threatist (inferred) · 1
Inferred from how NVD named this product before; not given by a source.
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* | — | — | B&R Industrial Automation |
- cpe:2.3:a:br-automation:automation_runtime:*:*:*:*:*:*:*:* Versions — — ·B&R Industrial Automation
Remediation
- Fix · CNA Automation Runtime (B&R Industrial Automation GmbH) Fixed in 6.4
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
B&R Industrial Automation Automation Runtime 6.4
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2025-03028 Cross-site scripting in B&R Industrial Automation Automation RuntimePriority LOW 23
Timeline
- 2026-10-02 Threatist record created from CVE-2025-3449
- 2026-10-03 Alias added: GHSA-6rgw-qfm8-jfvg
References
More B&R Industrial Automation vulnerabilities
- TI-2023-01522 Improper Authentication Mechanism in B&R VC4 Visualization CVSS 3.1CRITICAL 9.8
- TI-2022-21498 Buffer overflow when changing configuration on Tbase Server CVSS 3.1CRITICAL 9.8
- TI-2022-21496 Memory leak when receiving messages in APROL Tbase server CVSS 3.1CRITICAL 9.8
- TI-2022-21495 Lack of authentication when managing APROL database CVSS 3.1CRITICAL 9.4
- TI-2024-30523 Unauthorized local file reading in B&R APROL CVSS 4.0CRITICAL 9.2
- TI-2024-00297 FTP uses unsecure encryption mechanisms CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-3449 · CVE Program
- CVE-2025-3449 · NVD
- FIRST EPSS
- GHSA-6rgw-qfm8-jfvg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences