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CVE-2016-9158

Published: Dec 17, 2016Updated: Jun 2, 2026 Sources: CVE List NVDCWE-20
NVD MITRE
7.5CVSSHIGH
EPSS Score
3.0%
Top 14.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

SIMATIC S7-300 CPU familySiemens AGICS / OT / IoT
SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)Siemens AGICS / OT / IoT
SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)Siemens AGICS / OT / IoT
SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)Siemens AGICS / OT / IoT
SIMATIC S7-400 V6 and earlier CPU familySiemens AGICS / OT / IoT
siemens agcommercialDEEnterprise Softwareaka siemens
and 3 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

http://www.securityfocus.com/bid/94820
securityfocus.com
http://www.securitytracker.com/id/1037434
securitytracker.com
https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05
ics-cert.us-cert.gov
and 2 more references View all →

Timeline

Published
Dec 17, 2016
Last Updated
Jun 2, 2026

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