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.
References (3)
Core 3
Core References
Vendor Advisory x_refsource_confirm
http://www.siemens.com/corporate-technology/pool/de/forschungsfelder/siemens_security_advisory_ssa-617264.pdf
US Government Resource x_refsource_misc
http://www.us-cert.gov/control_systems/pdf/ICSA-12-212-02.pdf
Vendor Advisory x_refsource_confirm
https://cert-portal.siemens.com/productcert/pdf/ssa-617264.pdf
Scores
EPSS
0.0090
EPSS Percentile
76.0%
Details
CWE
CWE-119
Status
published
Products (4)
siemens/simatic_s7-400_cpu_414-3_pn\/dp
siemens/simatic_s7-400_cpu_416-3_pn\/dp
siemens/simatic_s7-400_cpu_416f-3_pn\/dp
siemens/simatic_s7-400_cpu_firmware
5.0
Published
Jul 31, 2012
Tracked Since
Feb 18, 2026