CVE-2014-2257

Name: CVE-2014-2257
Creator: NVD / NIST
Published: 2014-03-16T14:06:45.943+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.46%

Last modified Jun 17, 2026

CVE-2014-2257 is a vulnerability of currently unknown severity. Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.. EPSS estimates a 3.46% chance of exploitation in the next 30 days.

Description

Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.

Metrics

EPSS Probability

3.46%

87.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Siemens	Simatic S7-1500 Cpu Firmware	<= 1.1.2
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

References

http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01US Government Resource
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf
http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01US Government Resource
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdfPatch, Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf

Timeline

Published: Mar 16, 2014
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2014-2257?

Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted ISO-TSAP packets.

How severe is CVE-2014-2257?

Severity scoring for CVE-2014-2257 is pending analysis. The EPSS model estimates a 3.46% probability of exploitation in the next 30 days.

How do I fix CVE-2014-2257?

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-2014-2257?

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

Scan your code now

Source: NVD / NIST