How severe is CVE-2015-8214?

CVE-2015-8214 has a CVSS 2.0 base score of 9.7, rated critical severity.

Is CVE-2015-8214 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8214?

CVE-2015-8214 primarily affects Siemens Simatic Cp 443-1 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-8214?

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

When was CVE-2015-8214 published?

CVE-2015-8214 was published on 2015-11-27 and last updated on 2026-06-17.

CVE-2015-8214

CVE-2015-8214 is a critical-severity vulnerability in Siemens Simatic Cp 443-1 Firmware with a CVSS 2.0 base score of 9.7. 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-264.

Key facts

Severity: Critical (CVSS 2.0 base score 9.7)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Siemens Simatic Cp 443-1 Firmware
Published: 2015-11-27
Last modified: 2026-06-17

Description

A vulnerability has been identified in SIMATIC NET CP 342-5 (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions < V3.0.44), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 443-1 Advanced (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-1 Standard (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-5 Basic (incl. SIPLUS variants) (All versions), SIMATIC NET CP 443-5 Extended (All versions), TIM 3V-IE / TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0). The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.

Frequently asked questions

What is CVE-2015-8214?: A vulnerability has been identified in SIMATIC NET CP 342-5 (incl. SIPLUS variants) (All versions), SIMATIC NET CP 343-1 Advanced (incl. SIPLUS variants) (All versions < V3.0.44), SIMATIC NET CP 343-1 Lean (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 343-1 Standard (incl. SIPLUS variants) (All versions < V3.1.1), SIMATIC NET CP 443-1 Advanced (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-1 Standard (incl. SIPLUS variants) (All versions < V3.2.9), SIMATIC NET CP 443-5 Basic (incl. SIPLUS variants) (All versions), SIMATIC NET CP 443-5 Extended (All versions), TIM 3V-IE / TIM 3V-IE Advanced (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 3V-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0), TIM 4R-IE (incl. SIPLUS NET variants) (All versions < V2.6.0), TIM 4R-IE DNP3 (incl. SIPLUS NET variants) (All versions < V3.1.0). The implemented access protection level enforcement of the affected communication processors (CP) could possibly allow unauthenticated users to perform administrative operations on the CPs if network access (port 102/TCP) is available and the CPs' configuration was stored on their corresponding CPUs.
How severe is CVE-2015-8214?: CVE-2015-8214 has a CVSS 2.0 base score of 9.7, rated critical severity.
Is CVE-2015-8214 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8214?: CVE-2015-8214 primarily affects Siemens Simatic Cp 443-1 Firmware. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-8214?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2015-8214 published?: CVE-2015-8214 was published on 2015-11-27 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:siemens:simatic_cp_443-1_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_cp_443-1_firmware:*:*:*:*:advanced:*:*:*
cpe:2.3:o:siemens:simatic_tim_4r-ie_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_tim_4r-ie_firmware:*:*:*:*:dnp3:*:*:*
cpe:2.3:o:siemens:simatic_cp_343-1_firmware:*:*:*:*:lean:*:*:*
cpe:2.3:o:siemens:simatic_cp_343-1_firmware:*:*:*:*:advanced:*:*:*
cpe:2.3:o:siemens:simatic_tim_3v-ie_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_tim_3v-ie_firmware:-:*:*:*:advanced:*:*:*
cpe:2.3:o:siemens:simatic_tim_3v-ie_firmware:-:*:*:*:dnp3:*:*:*

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