CVE-2014-2250

highpriority · track · 34EPSS 0.031 · 88 %ileEURUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

3.14% (88th) EPSS

CVSS 8.3 · high

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisa_csaf_ot

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationSIMATIC S7-1200 CPU familycisa_csaf_ot
Siemens addresses all these issues in a security advisory that can be found at the following location: (http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf)
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-654382.pdf

cvss

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.08.3highAV:N/AC:M/Au:N/C:P/I:P/A:Cprimary · NVD / NIST USexploitability 8.6 · impact 8.5

v2.08.3highAV:N/AC:M/Au:N/C:P/I:P/A:Csecondary · CISA US

v2.08.3highAV:N/AC:M/Au:N/C:P/I:P/A:Csecondary · FSTEC (BDU) RU

v2.07.1highAV:N/AC:M/Au:N/C:P/I:P/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-310USprimaryCWE-331USCWE-331US

affected products (11)

Products and version ranges known to be affected.

Siemens SIMATIC S7-1200 CPU family: <V4.0all versionscisa_csaf_otUS
Siemens SIMATIC S7-1200 CPU family< V4.0cisa_csaf_otUS
n/a n/a≤ n/aenisa_euvdEU
Siemens AG Микропрограммное обеспечение программируемого логического контроллера Siemens Simatic S7-1200≤ 4fstec_bduRU
siemens simatic s7 cpu 1200 firmware≤ 3.0.2nvdUScpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*
siemens simatic s7 cpu 1200 firmware= 3.0nvdUScpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:*
siemens simatic s7 cpu 1212call versionsnvdUScpe:2.3:h:siemens:simatic_s7_cpu_1212c:*:*:*:*:*:*:*:*
siemens simatic s7 cpu 1214call versionsnvdUScpe:2.3:h:siemens:simatic_s7_cpu_1214c:*:*:*:*:*:*:*:*
siemens simatic s7 cpu 1215call versionsnvdUScpe:2.3:h:siemens:simatic_s7_cpu_1215c:*:*:*:*:*:*:*:*
siemens simatic s7 cpu 1217call versionsnvdUScpe:2.3:h:siemens:simatic_s7_cpu_1217c:*:*:*:*:*:*:*:*
siemens simatic s7 cpu-1211call versionsnvdUScpe:2.3:h:siemens:simatic_s7_cpu-1211c:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-14-079-02Siemens SIMATIC S7-1200 Vulnerabilities2014-12-21icsa · cisa_csaf_otUS
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

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisa_csaf_ot nvd NVD CVE.org MITRE

published 2014-03-24modified 2026-06-17

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references (9)

External citations — patches, advisories, analysis.

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