Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a…
Priority MEDIUM 40CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.03464 89th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:5.0:*:*:*:*:*:*:* | 5.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7-400_cpu_414-3_pn\/dp:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7-400_cpu_416-3_pn\/dp:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7-400_cpu_416f-3_pn\/dp:*:*:*:*:*:*:*:* | all versions | Vulnerable | Siemens |
- cpe:2.3:o:siemens:simatic_s7-400_cpu_firmware:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7-400_cpu_414-3_pn\/dp:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7-400_cpu_416-3_pn\/dp:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7-400_cpu_416f-3_pn\/dp:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2012-3017
- 2026-10-03 Alias added: GHSA-rc3f-3j2w-cf6h
References
More Siemens Simatic S7-400 Cpu 414-3 Pn/dp vulnerabilities
- TI-2012-02619 Siemens SIMATIC S7-400 PN CPU devices with firmware 6 before 6.0.3 allow remote attackers… CVSS 2.0HIGH 7.8
Sources
- CVE-2012-3017 · CVE Program
- CVE-2012-3017 · NVD
- FIRST EPSS
- GHSA-rc3f-3j2w-cf6h · GitHub Advisory Database · CC BY 4.0
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