Vulnerability Details : CVE-2014-2250
The random-number generator on Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 does not have sufficient entropy, which makes it easier for remote attackers to defeat cryptographic protection mechanisms and hijack sessions via unspecified vectors, a different vulnerability than CVE-2014-2251.
Products affected by CVE-2014-2250
- cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:3.0:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu_1215c:-:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu_1217c:-:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:*
- cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2014-2250
0.25%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 64 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2014-2250
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.3
|
HIGH | AV:N/AC:M/Au:N/C:P/I:P/A:C |
8.6
|
8.5
|
NIST |
CWE ids for CVE-2014-2250
-
Assigned by: nvd@nist.gov (Primary)
References for CVE-2014-2250
-
http://ics-cert.us-cert.gov/advisories/ICSA-14-079-02
Siemens SIMATIC S7-1200 Vulnerabilities | CISAUS Government Resource
-
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf
Vendor Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-654382.pdf
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