CVE-2012-3017

Severity: high (CVSS 7.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2012-07-31 · updated 2026-06-16
Weakness: CWE-119

Description

Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.

Affected products

Siemens Simatic S7-400 Cpu 414-3 Pn/Dp: all versions
Siemens Simatic S7-400 Cpu 416-3 Pn/Dp: all versions
Siemens Simatic S7-400 Cpu 416F-3 Pn/Dp: all versions
Siemens Simatic S7-400 Cpu Firmware: 5.0

References

http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-617264.pdf
http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-617264.pdf
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-617264.pdf
http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdf
https://cert-portal.siemens.com/productcert/pdf/ssa-617264.pdf

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