CVE-2014-2251

The random-number generator on Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 does not have sufficient entropy, which makes it easier for remote attackers to defeat cryptographic protection mechanisms and hijack sessions via unspecified vectors.

CVSS v2.0 8.3 HIGH

8.3^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:C

Exploitability : 8.6 / Impact : 8.5

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact COMPLETE

References

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

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware::::::::
	cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.1:::::::*
	cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.1.0:::::::*
	cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.0.1:::::::*

Information

Published : 2014-03-16 07:06

Updated : 2020-02-10 07:15

NVD link : CVE-2014-2251

Mitre link : CVE-2014-2251

JSON object : View

CWE

NVD-CWE-Other

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Products Affected

siemens

simatic_s7-1500_cpu_firmware

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