Detections
Analytics

Siemens SIMATIC S7-1200 PLCs < 4.0 ISO-TSAP Packets DOS

high Nessus Network Monitor Plugin ID 720199

Synopsis

Siemens SIMATIC S7-1200 PLCs allow remote attackers to cause a denial of service via crafted ISO-TSAP packets.

Description

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets, a different vulnerability than CVE-2014-2257.

Solution

Update the S7 1200 firmware to 4.0 or later.

See Also

http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02,http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf

Plugin Details

Severity: High

ID: 720199

Family: SCADA

Published: 5/8/2019

Updated: 9/30/2019

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

Vulnerability Information

Patch Publication Date: 3/20/2014

Vulnerability Publication Date: 3/20/2014

Reference Information

CVE: CVE-2014-2256