7.8
CWE
399
Advisory Published
Updated

CVE-2014-2254

First published: Sat Mar 22 2014(Updated: )

Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTP packets, a different vulnerability than CVE-2014-2255.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Siemens SIMATIC S7-1200 CPU<=3.0.2
Siemens SIMATIC S7-1200 CPU=3.0
Siemens CPU 1211C
Siemens CPU 1212C
Siemens SIMATIC S7-1200 CPU 1214C
Siemens CPU 1215C
Siemens CPU 1217C

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Frequently Asked Questions

  • What is the severity of CVE-2014-2254?

    CVE-2014-2254 has been assigned a CVSS score indicative of a denial of service vulnerability which could disrupt PLC operations.

  • How do I fix CVE-2014-2254?

    To mitigate CVE-2014-2254, upgrade the firmware of the Siemens SIMATIC S7-1200 CPUs to version 4.0 or later.

  • What devices are affected by CVE-2014-2254?

    CVE-2014-2254 affects Siemens SIMATIC S7-1200 CPU devices with firmware versions prior to 4.0.

  • What type of attack can exploit CVE-2014-2254?

    CVE-2014-2254 can be exploited through crafted HTTP packets that cause a denial of service condition in the affected devices.

  • Is CVE-2014-2254 a local or remote vulnerability?

    CVE-2014-2254 is a remote vulnerability, allowing attackers to cause issues without physical access to the devices.

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