CVEvulnerability

CVE-2014-2251

8.3 HIGH Published 2014-03-16 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2014-03-16
Last modified
2026-06-17
Assigner
[email protected]
CVSS 2.0 ([email protected])
8.3 HIGH — AV:N/AC:M/Au:N/C:P/I:P/A:C

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.

Affected configurations

• siemens simatic s7-1500 cpu firmware (<= 1.1.2) • siemens simatic s7-1500 cpu firmware 1.0.1 • siemens simatic s7-1500 cpu firmware 1.1.0 • siemens simatic s7-1500 cpu firmware 1.1.1

References