CVE-2016-3949

high

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.

References

Advisories
More

https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01

http://www.securitytracker.com/id/1036089

https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf

http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf

Details

Source: Mitre, NVD

Published: 2016-06-27

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: High

EPSS

EPSS: 0.02783