CVE-2016-3949
high
CVSS v3
7.5
CVSS v4 NEW
—
VIR risk
7.5
Description
Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service (defect-mode transition) via crafted (1) ISO-TSAP or (2) Profibus packets.
Predictions
Exploit likelihood
83%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- http://www.securitytracker.com/id/1036089
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01
- http://www.securitytracker.com/id/1036089
- http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf
- https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf
- https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01
CWEs
CWE-399
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.