VULNERABILITY INTELLIGENCE
CVE-2012-3017
CVSS score7.8 HIGH
EPSS probability3.46%
CISA KEVNot currently listed
Published2012-07-31
Last modified2026-06-16
CVSS vectorAV:N/AC:L/Au:N/C:N/I:N/A:C
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.
Weakness classification
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
Primary references
- ics-cert@hq.dhs.gov — Vendor Advisory
- ics-cert@hq.dhs.gov — US Government Resource
- ics-cert@hq.dhs.gov
- af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — US Government Resource
- af854a3a-2127-422b-91ae-364da2661108