CVE-2014-5074

NONECVSS 0.0Elevated

0.0

Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 94.2%
KEV: Not listed

Published

August 17, 2014

Last Modified

May 6, 2026

References (8)

cve@mitrehttp://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf
cve@mitrehttps://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf
cve@mitrehttps://ics-cert.us-cert.gov/advisories/ICSA-14-226-01
cve@mitrehttps://www.exploit-db.com/exploits/44693/
af854a3a-2127-422b-91ae-364da2661108http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdf
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf
af854a3a-2127-422b-91ae-364da2661108https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/44693/

Data Freshness Timeline

(refreshed 6× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-07 15:22 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:44 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-04 13:09 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-02 20:10 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-06-01 13:49 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 22:28 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:41 UTCEPSS rescore
2026-05-28 17:35 UTCEG score recompute
2026-05-28 17:35 UTCGHSA enrichment
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore
2026-05-28 13:42 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-44693
First seen May 22, 2018
Siemens SIMATIC S7-1500 CPU - Remote Denial of Service
Open source ↗

Frequently asked(4)

What is CVE-2014-5074?

CVE-2014-5074 is a none vulnerability published on August 17, 2014. Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP transition) via crafted TCP packets.

When was CVE-2014-5074 disclosed?

CVE-2014-5074 was first published in the National Vulnerability Database on August 17, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2014-5074 actively exploited?

CVE-2014-5074 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2014-5074?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2014-5074, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2014-5074

📅 Published

🔄 Last Modified

🔗 References (8)