How severe is CVE-2012-3016?

CVE-2012-3016 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2012-3016 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-3016?

CVE-2012-3016 primarily affects Siemens Simatic S7-400 Cpu 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-2012-3016?

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-2012-3016 published?

CVE-2012-3016 was published on 2012-07-31 and last updated on 2026-06-16.

CVE-2012-3016

CVE-2012-3016 is a high-severity vulnerability in Siemens Simatic S7-400 Cpu Firmware with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Siemens Simatic S7-400 Cpu Firmware
Published: 2012-07-31
Last modified: 2026-06-16

Description

Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers to cause a denial of service (defect-mode transition and service outage) via crafted ICMP packets.

Frequently asked questions

What is CVE-2012-3016?: Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers to cause a denial of service (defect-mode transition and service outage) via crafted ICMP packets.
How severe is CVE-2012-3016?: CVE-2012-3016 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2012-3016 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-3016?: CVE-2012-3016 primarily affects Siemens Simatic S7-400 Cpu 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-2012-3016?: 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-2012-3016 published?: CVE-2012-3016 was published on 2012-07-31 and last updated on 2026-06-16.

References

Affected products (7)

cpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:6.0.2:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-400_cpu_412-2_pn:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-400_cpu_414-3_pn\/dp:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-400_cpu_414f-3_pn\/dp:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-400_cpu_416-3_pn\/dp:*:*:*:*:*:*:*:*
cpe:2.3:h:siemens:simatic_s7-400_cpu_416f-3_pn\/dp:*:*:*:*:*:*:*:*

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CVE-2012-3017 — High (CVSS 7.8): Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service…
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