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Fencer Intel
high 7.1

CVE-2014-5074 json

Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to cause a denial of service (device restart and STOP t…

published 2014-08-17 12 y ago modified 2026-06-17 4 mo ago also EUVD-2014-4973

cvss
7.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
9.7%
EPSS 9.7% chance of exploitation in 30 days, percentile 95%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-14-226-01 updated cvss 7.1

Siemens SIMATIC S7-1500 CPU Denial of Service

  • Siemens SIMATIC S7-1500 CPU <V1.6
    affected: mitigation

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Timeline

  1. Published
  2. First public exploit (EDB-44693)

Exploit prediction

9.70% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-44693 Siemens SIMATIC S7-1500 CPU - Remote Denial of Service dos, 2018-05-22

CVSS scores

assigned by version score vector
NVD 2.0 7.1 AV:N/AC:M/Au:N/C:N/I:N/A:C

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.