PT-2016-5774 · Siemens · Simatic S7-300

Amund Sole + 1 · Published 2016-06-27 · Updated 2020-02-10 · CVE-2016-3949

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Siemens SIMATIC S7-300 Profinet-enabled CPU devices versions prior to 3.2.12 Siemens SIMATIC S7-300 Profinet-disabled CPU devices versions prior to 3.3.12

Description The issue allows remote attackers to cause a denial of service, resulting in a defect-mode transition. This can be achieved via crafted packets, specifically (1) ISO-TSAP or (2) Profibus packets.

Recommendations For Siemens SIMATIC S7-300 Profinet-enabled CPU devices versions prior to 3.2.12, update the firmware to version 3.2.12 or later. For Siemens SIMATIC S7-300 Profinet-disabled CPU devices versions prior to 3.3.12, update the firmware to version 3.3.12 or later.

Fix

Weakness Enumeration

CWE-399

Related Identifiers

CVE-2016-3949

Affected Products

Simatic S7-300

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2016-3949 · Security Note
• http://siemens.com/cert/pool/cert/siemens_security_advisory_ssa-818183.pdf · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2016-3949 · Vendor Advisory
• http://securitytracker.com/id/1036089 · Note
• https://ics-cert.us-cert.gov/advisories/ICSA-16-161-01 · Note
• https://cert-portal.siemens.com/productcert/pdf/ssa-818183.pdf · Note