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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 cryptographi...

Published: Mar 16, 2014Updated: May 6, 2026 Sources: CVE List NVD csafNVD-CWE-Other
8.3HIGH
NVD MITRE
EPSS Score
2.7%
Top 15.7%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

Description

This CSAF advisory was extracted from unstructured data and may contain inaccuracies. If you notice any errors, please reach out to the designated contact at CISA CSAF: central@cisa.dhs.gov

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:MAu:NC:PI:PA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:PConfidentiality
Partial
I:PIntegrity
Partial
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

NVD-CWE-Other

Affected Products

siemens
commercial·DEaka siemens ag
simatic s7-1500 cpu firmware
ICS / OT / IoT
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2014-2251?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/OT/white/2014/icsa-14-073-01.json
raw.githubusercontent.com
https://www.cisa.gov/news-events/ics-advisories/icsa-14-073-01
cisa.gov
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
cisa.gov
and 10 more references View all →
News mentions
Could not load news mentions.

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