CVSS2
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:A/AC:L/Au:N/C:N/I:N/A:C
EPSS
Percentile
77.3%
Siemens SIMATIC S7-1500 CPU PLC
Version: 1.1.x and earlier
Link:
http://www.siemens.com/
Severity level: Medium
Impact: Denial of Service
Access Vector: Remote
CVSS v2:
Base Score: 6.1
Vector: (AV:A/AC:L/Au:N/C:N/I:N/A:C)
CVE: CVE-2014-2253
Siemens SIMATIC S7-1500 - controllers featuring high efficiency in data processing, integrated technological functions of Motion Control, PID control and the use of high-speed counters…
The specialists of the Positive Research center have detected a Denial of Service vulnerability in Siemens SIMATIC S7-1500 CPU PLC.
Specially crafted Profinet packets sent to the affected device might cause the device to go into defect mode. A cold restart is required to recover the system. The attacker must have access to the local Ethernet segment.
Update your firmware up to the latest version
15.04.2013 - Vendor gets vulnerability details
12.03.2014 - Vendor releases fixed version and details
25.03.2014 - Public disclosure
The vulnerability was detected by Dmitry Serebryannikov, Ilya Karpov, Alexey Osipov, Yury Goltsev, and Alexander Timorin, Positive Research Center (Positive Technologies Company)
<http://en.securitylab.ru/lab/PT-2013-86>
<http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf>[](<http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-342587.pdf>)
<https://ics-cert.us-cert.gov/advisories/ICSA-14-073-01>[](<https://ics-cert.us-cert.gov/advisories/ICSA-14-035-01>)
Reports on the vulnerabilities previously discovered by Positive Research:
<http://www.ptsecurity.com/research/advisory/>
<http://en.securitylab.ru/lab/>
en.securitylab.ru/lab/PT-2013-86
www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-342587.pdf
www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf
ics-cert.us-cert.gov/advisories/ICSA-14-035-01
ics-cert.us-cert.gov/advisories/ICSA-14-073-01