CVE-2016-3949

7.5 HIGH
Published: June 27, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securitytracker.com/id/1036089
Source: cve@mitre.org
Third Party Advisory VDB Entry
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf
Source: cve@mitre.org
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf
Source: cve@mitre.org
https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01
Source: cve@mitre.org
Mitigation Third Party Advisory US Government Resource
http://www.securitytracker.com/id/1036089
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf
Source: af854a3a-2127-422b-91ae-364da2661108
https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01
Source: af854a3a-2127-422b-91ae-364da2661108
Mitigation Third Party Advisory US Government Resource

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
4.9%
90th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-399

Affected Vendors

siemens

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