How severe is CVE-2016-2200?

CVE-2016-2200 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-2200 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-2200?

CVE-2016-2200 affects Siemens Simatic S7-1500 Cpu Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-2200?

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-2016-2200 published?

CVE-2016-2200 was published on 2016-02-08 and last updated on 2026-06-17.

CVE-2016-2200

CVE-2016-2200 is a high-severity vulnerability in Siemens Simatic S7-1500 Cpu Firmware with a CVSS 3.x base score of 7.5. 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-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Siemens Simatic S7-1500 Cpu Firmware
Published: 2016-02-08
Last modified: 2026-06-17

Description

Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to cause a denial of service (STOP mode transition) via crafted packets on TCP port 102.

Frequently asked questions

What is CVE-2016-2200?: Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to cause a denial of service (STOP mode transition) via crafted packets on TCP port 102.
How severe is CVE-2016-2200?: CVE-2016-2200 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-2200 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-2200?: CVE-2016-2200 affects Siemens Simatic S7-1500 Cpu Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-2200?: 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-2016-2200 published?: CVE-2016-2200 was published on 2016-02-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:*:*:*:*:*:*:*:*

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