CVE-2016-2846 - Vulnerability Details - OpenCVE

Description

Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user program block" protection mechanism via unspecified vectors.

Published: 2016-03-16

Score: 6.5 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

AND

cpe:2.3:h:siemens:simatic_s7_1200_cpu:-:*:*:*:*:*:*:*

cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2016-3919	Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user program block" protection mechanism via unspecified vectors.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00194.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01

History

Fri, 11 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00328}`	epss `{'score': 0.00194}`

Subscriptions

Siemens Simatic S7 1200 Cpu Simatic S7 Cpu 1200 Firmware

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2016-03-16T10:00:00.000Z

Updated: 2024-08-05T23:32:21.339Z

Reserved: 2016-03-06T00:00:00.000Z

Link: CVE-2016-2846

Vulnrichment

No data.

NVD

Status : Modified

Published: 2016-03-16T10:59:04.277

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-2846

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-254

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2016-03-14T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a \"user program block\" protection mechanism via unspecified vectors."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2020-02-10T14:06:52.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_CONFIRM"], "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf"}, {"tags": ["x_refsource_MISC"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2016-2846", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a \"user program block\" protection mechanism via unspecified vectors."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf", "refsource": "CONFIRM", "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf"}, {"name": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01", "refsource": "MISC", "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01"}, {"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T23:32:21.339Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2016-2846", "datePublished": "2016-03-16T10:00:00.000Z", "dateReserved": "2016-03-06T00:00:00.000Z", "dateUpdated": "2024-08-05T23:32:21.339Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:siemens:simatic_s7_1200_cpu:-:*:*:*:*:*:*:*", "matchCriteriaId": "79270F18-B58F-4F16-ACAD-297AE91F27EB", "vulnerable": false}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "5BCF4722-1850-48CD-9BCA-6EBD9EFF8147", "versionEndIncluding": "3.0.2", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a \"user program block\" protection mechanism via unspecified vectors."}, {"lang": "es", "value": "Dispositivos Siemens SIMATIC S7-1200 CPU en versiones anteriores a 4.0 permiten a atancantes remotos eludir un mecanismo de protecci\u00f3n de \"bloqueo de programa de usuario\" a trav\u00e9s de vectores no especificados."}], "id": "CVE-2016-2846", "lastModified": "2026-05-06T22:30:45.220", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 6.4, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary"}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2016-03-16T10:59:04.277", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf"}, {"source": "cve@mitre.org", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf"}, {"source": "cve@mitre.org", "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://www.siemens.com/cert/pool/cert/siemens_security_advisory_ssa-833048.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-833048.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://ics-cert.us-cert.gov/advisories/ICSA-16-075-01"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-254"}], "source": "nvd@nist.gov", "type": "Primary"}]}