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Vulnerability record · CVE-2012-3016 · published 31 July 2012

CVE-2012-3016: Siemens simatic s7-400 cpu firmware vulnerability

Siemens · Simatic S7 400 Cpu Firmware

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.

7.8 CVSS 2.0 High EPSS 3.5% · top 11.4%
7.8CVSS 2.0 base score
3.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References
16 Jun 2026Last modified by NVD

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.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-589272.pdf PatchVendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdf US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-589272.pdf
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-589272.pdf PatchVendor Advisory
http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdf US Government Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-589272.pdf

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.8CVE-2012-3017Siemens simatic s7-400 cpu firmware memory buffer overflow vulnerabilitySiemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outag…EPSS 3.5%

Source: NIST National Vulnerability Database (record CVE-2012-3016), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.