Vulnerability-Lookup

VAR-201612-0418

Vulnerability from variot - Updated: 2023-12-18 12:29

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. SIEMENS SIMATIC S7-300 PN CPU and SIMATIC S7-400 PN CPU There is a service disruption (DoS) There are vulnerabilities that are put into a state.Port by remote attacker 80/TCP Service disruption by sending specially crafted packets to (DoS) There is a possibility of being put into a state. The SIMATIC S7-300 CPUs and S7-400 CPUs are central processing unit modules for programmable controllers from Siemens AG, Germany. SIMATIC S7-300 and S7-400 CPUs are prone to remote denial-of-service and information-disclosure vulnerabilities. Successful exploits may allow an attacker to gain access to sensitive information or cause denial-of-service conditions; other attacks are also possible. This vulnerability affects all SIMATIC S7-300 PN CPUs, and all SIMATIC S7-400 PN V6 and V7 CPUs. Siemens SIMATIC S7-400 is a programmable logic controller product used in the field of manufacturing and process automation. The following products and versions are affected: Siemens SIMATIC S7-300 CPU 312; Siemens SIMATIC S7-300 CPU 314; Siemens SIMATIC S7-300 CPU 315-2 DP; Siemens SIMATIC S7-300 CPU 315-2 PN/DP; Siemens SIMATIC S7 -300 CPU 317-2 PN/DP; Siemens SIMATIC S7-300 CPU 317-2 DP; Siemens SIMATIC S7-300 CPU 319-3 PN/DP; SIMATIC S7-400 CPU 412-1; SIMATIC S7-400 CPU 412- 2; SIMATIC S7-400 CPU 412-2 PN; SIMATIC S7-400 CPU 414-2; SIMATIC S7-400 CPU 414-3; SIMATIC S7-400 CPU 414-3 PN/DP; SIMATIC S7-400 CPU 416-2 ; SIMATIC S7-400 CPU 416-3 PN/DP; SIMATIC S7-400 CPU 416f-2; SIMATIC S7-400 CPU 416f-3 PN/DP; SIMATIC S7-400 CPU 417-4

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CVE-2016-9158 (GCVE-0-2016-9158)

Vulnerability from cvelistv5 – Published: 2016-12-17 03:34 – Updated: 2026-06-02 18:33

Summary

Severity

7.5 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-02 18:32 UTC

CWE

CWE-20 - Improper Input Validation

Assigner

siemens icscert root

References

5 references

URL	Tags
http://www.securityfocus.com/bid/94820	vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1037434	vdb-entryx_refsource_SECTRACK
https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05	x_refsource_MISC
https://www.siemens.com/cert/pool/cert/siemens_se…	x_refsource_CONFIRM
https://cert-portal.siemens.com/productcert/pdf/s…	x_refsource_MISC

Impacted products

6 products

Vendor	Product	Version
Siemens AG	SIMATIC S7-300 CPU family	Affected: All versions
Siemens AG	SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)	Affected: All versions
Siemens AG	SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)	Affected: All versions
Siemens AG	SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants)	Affected: All versions
Siemens AG	SIMATIC S7-400 V6 and earlier CPU family	Affected: All versions
Siemens AG	SIMATIC S7-400 V7 CPU family	Affected: All versions

Date Public

2016-12-16 00:00

Show details on NVD website

JSON

To clipboard

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          "value": "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."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20: Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-03-10T19:16:14.000Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "name": "94820",
          "tags": [
            "vdb-entry",
            "x_refsource_BID"
          ],
          "url": "http://www.securityfocus.com/bid/94820"
        },
        {
          "name": "1037434",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1037434"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-348-05"
        },
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-731239.pdf"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-731239.pdf"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "productcert@siemens.com",
          "ID": "CVE-2016-9158",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
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                      "product_name": "SIMATIC S7-300 CPU family",
                      "version": {
                        "version_data": [
                          {
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                          }
                        ]
                      }
                    },
                    {
                      "product_name": "SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants)",
                      "version": {
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                      }
                    },
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                      "product_name": "SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)",
                      "version": {
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  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2016-9158",
    "datePublished": "2016-12-17T03:34:00.000Z",
    "dateReserved": "2016-11-03T00:00:00.000Z",
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}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

VAR-201612-0418

CVE-2016-9158 (GCVE-0-2016-9158)

Tags

Sightings

Nomenclature

Related by attack behaviour