CVE-2014-2256
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 ISO-TSAP packets, a different vulnerability than CVE-2014-2257.
Credit: cve@mitre.org
| Affected Software | Affected Version | How 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 | ||
| All of | ||
| Any of | ||
| Siemens SIMATIC S7-1200 CPU | <=3.0.2 | |
| Siemens SIMATIC S7-1200 CPU | =3.0 | |
| Any of | ||
| Siemens CPU 1211C | ||
| Siemens CPU 1212C | ||
| Siemens SIMATIC S7-1200 CPU 1214C | ||
| Siemens CPU 1215C | ||
| Siemens CPU 1217C |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2014-2256?
CVE-2014-2256 is classified as a medium severity vulnerability as it allows for denial of service attacks on affected devices.
How do I fix CVE-2014-2256?
To mitigate CVE-2014-2256, upgrade the firmware of the affected Siemens SIMATIC S7-1200 CPUs to version 4.0 or later.
Which Siemens devices are affected by CVE-2014-2256?
CVE-2014-2256 affects Siemens SIMATIC S7-1200 CPU devices with firmware versions prior to 4.0.
What attacks can be executed using CVE-2014-2256?
Attackers can exploit CVE-2014-2256 to send crafted ISO-TSAP packets, causing a denial of service through defect-mode transitions.
Is there a workaround for CVE-2014-2256?
There are no documented workarounds for CVE-2014-2256, and updating the firmware is the recommended solution.
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- collector/mitre-cve
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- agent/last-modified-date
- agent/source
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- vendor/siemens
- canonical/siemens simatic s7-1200 cpu
- version/siemens simatic s7-1200 cpu/3.0.2
- version/siemens simatic s7-1200 cpu/3.0
- canonical/siemens cpu 1211c
- canonical/siemens cpu 1212c
- canonical/siemens simatic s7-1200 cpu 1214c
- canonical/siemens cpu 1215c
- canonical/siemens cpu 1217c