Siemens S7-300 Series PLC CPU Firmware <= 3.2.11 DoS

high Nessus Network Monitor Plugin ID 7225

Synopsis

A Siemens S7-300 programmable logic controller (PLC) has been detected which is vulnerable to a Denial of Service (DoS) attack vector.

Description

Siemens S7-300 PLC central processing units (CPUs) contain an unspecified flaw that may allow a remote attacker to use a specially crafted packet to cause the device to enter defect mode until a cold restart is performed.

Solution

Upgrade the firmware to version 3.2.12 or later.

Plugin Details

Severity: High

ID: 7225

Version: 1.0

Family: SCADA

Published: 9/9/2016

Updated: 8/16/2018

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.4

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

Vulnerability Information

CPE: cpe:/h:siemens:simatic_s7_300

Patch Publication Date: 8/16/2016

Vulnerability Publication Date: 8/16/2016

Reference Information

CVE: CVE-2016-3949

BID: 91133

Detections

Analytics