CVE-2016-9158
Summary
| CVE | CVE-2016-9158 |
|---|---|
| State | PUBLISHED |
| Assigner | siemens |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-12-17 03:59:00 UTC |
| Updated | 2026-05-06 22:30:45 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.0 7.5 HIGH from [email protected]
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.011460000 probability, percentile 0.785850000 (date 2026-05-11)
Problem Types: CWE-20 | CWE-20 CWE-20: Improper Input Validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 7.5 | HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 2.0 | [email protected] | Primary | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
CVSS v3.0 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0 Breakdown
Access Vector
NetworkAccess Complexity
LowAuthentication
NoneConfidentiality
NoneIntegrity
NoneAvailability
CompleteAV:N/AC:L/Au:N/C:N/I:N/A:C
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| 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 |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| 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 |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.