CVE-2014-5074

Name: CVE-2014-5074
Creator: NVD / NIST
Published: 2014-08-17T23:55:07.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 9.70%

Last modified Jun 17, 2026

CVE-2014-5074 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 9.70% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability

9.70%

94.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Siemens	Simatic S7-1500 Cpu Firmware	<= 1.5.1
Siemens	Simatic S7-1500 Cpu Firmware	1.0.1
Siemens	Simatic S7-1500 Cpu Firmware	1.1.0
Siemens	Simatic S7-1500 Cpu Firmware	1.1.1
Siemens	Simatic S7-1500 Cpu Firmware	1.1.2
Siemens	Simatic S7-1500 Cpu Firmware	1.5
Siemens	Simatic S7-1511-1 Pn Cpu	All versions
Siemens	Simatic S7-1513-1 Pn Cpu	All versions
Siemens	Simatic S7-1515-2 Pn Cpu	All versions
Siemens	Simatic S7-1516-3 Pn\/Dp Cpu	All versions
Siemens	Simatic S7-1516f-3 Pn\/Dp Cpu	All versions
Siemens	Simatic S7-1518-4 Pn\/Dp Cpu	All versions
Siemens	Simatic S7-1518f-4 Pn\/Dp Cpu	All versions

References

http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01Patch, US Government Resource
https://www.exploit-db.com/exploits/44693/
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-310688.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-310688.pdf
https://ics-cert.us-cert.gov/advisories/ICSA-14-226-01Patch, US Government Resource
https://www.exploit-db.com/exploits/44693/

Timeline

Published: Aug 17, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-5074?

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.

How severe is CVE-2014-5074?

Severity scoring for CVE-2014-5074 is pending analysis. The EPSS model estimates a 9.70% probability of exploitation in the next 30 days.

How do I fix CVE-2014-5074?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2014-5074?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST