CVE-2014-2251

high

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.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-456423.pdf

http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-456423.pdf

http://ics-cert.us-cert.gov/advisories/ICSA-14-073-01

Details

Source: Mitre, NVD

Published: 2014-03-16

Updated: 2020-02-10

Risk Information

CVSS v2

Base Score: 8.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High