Vulnerability in Siemens Simatic S7-300 Without Profitnet Support
CVE-2016-3949
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.
EPSS: 0.045 (90.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Siemens Simatic_s7-300_without_profitnet_support
- Siemens Simatic_s7-300_without_profitnet_support_firmware — versions 3.3.11
- Siemens Simatic_s7-300_with_profitnet_support
- Siemens Simatic_s7-300_with_profitnet_support_firmware — versions 3.2.11
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (US Government Resource, Third Party Advisory, x_refsource_MISC, Mitigation)
- cve@mitre.org (x_refsource_CONFIRM)
Frequently asked questions
- What is CVE-2016-3949?
- CVE-2016-3949 is a high-severity vulnerability in Siemens Simatic S7-300 Without Profitnet Support, classified under CWE-399. CVSS score: 7.5/10. Published 2016-06-27.
- How severe is CVE-2016-3949?
- High severity. CVSS v3 base score is 7.5 out of 10.