Unscored severity · published Mar 16, 2014
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…
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CVSS
2.7%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.7% · higher than 86% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SS
Simatic S7-1500 Cpu Firmware · Siemens
through 1.1.2; 1.0.1; 1.1.0; 1.1.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2014-2251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2014-2251
US Government Resource
http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01
Patch
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf
cert-portal.siemens.com
https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf
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