How severe is CVE-2014-2250?

CVE-2014-2250 has a CVSS 2.0 base score of 8.3, rated high severity.

Is CVE-2014-2250 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-2250?

CVE-2014-2250 primarily affects Siemens Simatic S7 Cpu 1200 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2250?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2014-2250 published?

CVE-2014-2250 was published on 2014-03-24 and last updated on 2026-06-17.

CVE-2014-2250

CVE-2014-2250 is a high-severity vulnerability in Siemens Simatic S7 Cpu 1200 Firmware with a CVSS 2.0 base score of 8.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-310.

Key facts

Severity: High (CVSS 2.0 base score 8.3)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Siemens Simatic S7 Cpu 1200 Firmware
Published: 2014-03-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2014-2250?: CVE-2014-2250 has a CVSS 2.0 base score of 8.3, rated high severity.
Is CVE-2014-2250 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2250?: CVE-2014-2250 primarily affects Siemens Simatic S7 Cpu 1200 Firmware. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2250?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2014-2250 published?: CVE-2014-2250 was published on 2014-03-24 and last updated on 2026-06-17.

References

Affected products (7)

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-1211c:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7_cpu_1215c:-:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7_cpu_1217c:-:*:*:*:*:*:*:*

More vulnerabilities in Siemens Simatic S7 Cpu 1200 Firmware

CVE-2014-2258 — High (CVSS 7.8): Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service…
CVE-2014-2256 — High (CVSS 7.8): Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service…
CVE-2014-2254 — High (CVSS 7.8): Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service…
CVE-2016-2846 — Medium (CVSS 6.5): Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user program block" protection…
CVE-2014-2252 — Medium (CVSS 6.1): Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service…
CVE-2014-2909 — Medium (CVSS 5.8): CRLF injection vulnerability in the integrated web server on Siemens SIMATIC S7-1200 CPU devices 2.x and 3.x allows…

All CVEs affecting Siemens Simatic S7 Cpu 1200 Firmware →

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