Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers…
Priority MEDIUM 42CWE-399Published · 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-399 and the CVSS impact.
Summary
Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers to cause a denial of service (defect-mode transition) via crafted HTTPS packets, a different vulnerability than CVE-2014-2259.
Why it matters now
EPSS 0.04731 91st 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 · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:* | up to 3.0.2 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_cpu_1215c:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_cpu_1217c:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
- cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:*:*:*:*:*:*:*:* Versions up to 3.0.2 Vulnerable ·Siemens
- cpe:2.3:o:siemens:simatic_s7_cpu_1200_firmware:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_cpu-1211c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_cpu_1212c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_cpu_1214c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_cpu_1215c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_cpu_1217c:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2014-2258
- 2026-10-03 Alias added: GHSA-wxf6-627x-8cpq
References
More Siemens Simatic S7 Cpu-1211c vulnerabilities
- TI-2014-01786 Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers… CVSS 2.0HIGH 7.8
- TI-2014-01782 The random-number generator on Siemens SIMATIC S7-1200 CPU PLC devices with firmware… CVSS 2.0HIGH 8.3
- TI-2014-01788 Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers… CVSS 2.0HIGH 7.8
- TI-2014-02338 Cross-site scripting (XSS) vulnerability in the integrated web server on Siemens SIMATIC… CVSS 2.0MEDIUM 4.3
- TI-2014-02339 CRLF injection vulnerability in the integrated web server on Siemens SIMATIC S7-1200 CPU… CVSS 2.0MEDIUM 5.8
- TI-2014-01784 Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers… CVSS 2.0MEDIUM 6.1
Sources
- CVE-2014-2258 · CVE Program
- CVE-2014-2258 · NVD
- FIRST EPSS
- GHSA-wxf6-627x-8cpq · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences