CVE-2016-9159

Summary

CVECVE-2016-9159
StatePUBLISHED
Assignersiemens
Source PriorityCVE Program / NVD first with legacy fallback
Published2016-12-17 03:59:00 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionA 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), SIMATIC S7-410 V8 CPU family (All versions), SIMATIC S7-410 V8 CPU family (incl. SIPLUS variants) (All versions). An attacker with network access to port 102/tcp (ISO-TSAP) or via Profibus could obtain credentials from the PLC if protection-level 2 is configured on the affected devices.

Risk And Classification

Primary CVSS: v3.0 5.9 MEDIUM from [email protected]

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

EPSS: 0.003270000 probability, percentile 0.556280000 (date 2026-05-11)

Problem Types: CWE-200 | CWE-200 CWE-200: Information Exposure


VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary5.9MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
2.0[email protected]Primary4.3AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Medium
Authentication
None
Confidentiality
Partial
Integrity
None
Availability
None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Siemens Simatic S7-300 Cpu 312 - All All All
Hardware Siemens Simatic S7-300 Cpu 314 - All All All
Hardware Siemens Simatic S7-300 Cpu 315-2 Dp - All All All
Hardware Siemens Simatic S7-300 Cpu 315-2 Pn/dp - All All All
Hardware Siemens Simatic S7-300 Cpu 317-2 Pn/dp - All All All
Hardware Siemens Simatic S7-300 Cpu 317- 2 Dp - All All All
Hardware Siemens Simatic S7-300 Cpu 319-3 Pn/dp - All All All
Operating System Siemens Simatic S7-300 Cpu Firmware - All All All
Hardware Siemens Simatic S7-400 Cpu 412-1 - All All All
Hardware Siemens Simatic S7-400 Cpu 412-2 - All All All
Hardware Siemens Simatic S7-400 Cpu 412-2 Pn - All All All
Hardware Siemens Simatic S7-400 Cpu 414-2 - All All All
Hardware Siemens Simatic S7-400 Cpu 414-3 - All All All
Hardware Siemens Simatic S7-400 Cpu 414-3 Pn/dp - All All All
Hardware Siemens Simatic S7-400 Cpu 416-2 - All All All
Hardware Siemens Simatic S7-400 Cpu 416-3 - All All All
Hardware Siemens Simatic S7-400 Cpu 416-3 Pn/dp - All All All
Hardware Siemens Simatic S7-400 Cpu 416f-2 - All All All
Hardware Siemens Simatic S7-400 Cpu 416f-3 Pn/dp - All All All
Hardware Siemens Simatic S7-400 Cpu 417-4 - All All All
Operating System Siemens Simatic S7-400 Cpu Firmware - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Siemens AG SIMATIC S7-300 CPU Family affected All versions Not specified
CNA Siemens AG SIMATIC S7-300 CPU Family Incl. Related ET200 CPUs And SIPLUS Variants affected All versions Not specified
CNA Siemens AG SIMATIC S7-400 PN/DP V6 And Below CPU Family Incl. SIPLUS Variants affected All versions Not specified
CNA Siemens AG SIMATIC S7-400 PN/DP V7 CPU Family Incl. SIPLUS Variants affected All versions Not specified
CNA Siemens AG SIMATIC S7-400 V6 And Earlier CPU Family affected All versions Not specified
CNA Siemens AG SIMATIC S7-400 V7 CPU Family affected All versions Not specified
CNA Siemens AG SIMATIC S7-410 V8 CPU Family affected All versions Not specified
CNA Siemens AG SIMATIC S7-410 V8 CPU Family Incl. SIPLUS Variants affected All versions Not specified

References

ReferenceSourceLinkTags
Siemens af854a3a-2127-422b-91ae-364da2661108 www.siemens.com
Siemens SIMATIC Controller Flaws Let Remote Users Obtain Credentials and Cause Denial of Service Conditions - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
SIMATIC S7-300 and S7-400 CPUs Denial of Service and Information Disclosure Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
cert-portal.siemens.com/productcert/pdf/ssa-731239.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com
Siemens S7-300/400 PLC Vulnerabilities | ICS-CERT af854a3a-2127-422b-91ae-364da2661108 ics-cert.us-cert.gov
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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