First published: Sun Mar 16 2014(Updated: )
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.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
Siemens S7-1500 CPU firmware | <=1.1.2 | |
Siemens S7-1500 CPU firmware | =1.0.1 | |
Siemens S7-1500 CPU firmware | =1.1.0 | |
Siemens S7-1500 CPU firmware | =1.1.1 | |
<=1.1.2 | ||
=1.0.1 | ||
=1.1.0 | ||
=1.1.1 |
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf
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The severity of CVE-2014-2257 is classified as a denial of service vulnerability that allows attackers to disrupt operation of Siemens SIMATIC S7-1500 CPUs.
To fix CVE-2014-2257, update the firmware of affected Siemens SIMATIC S7-1500 CPU devices to version 1.5.0 or later.
CVE-2014-2257 affects Siemens SIMATIC S7-1500 CPU PLC devices with firmware versions prior to 1.5.0.
CVE-2014-2257 allows remote attackers to send crafted ISO-TSAP packets leading to a denial of service by causing a defect-mode transition.
There are no official workarounds for CVE-2014-2257 other than applying the firmware updates for affected devices.