Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user…
Priority LOW 32CWE-254Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Siemens SIMATIC S7-1200 CPU devices before 4.0 allow remote attackers to bypass a "user program block" protection mechanism via unspecified vectors.
Why it matters now
EPSS 0.01691 77th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2846
- 2026-10-03 Alias added: GHSA-pmhf-pp7x-prjr
References
More Siemens Simatic S7 Cpu 1200 Firmware vulnerabilities
- TI-2014-01790 Siemens SIMATIC S7-1200 CPU PLC devices with firmware before 4.0 allow remote attackers… CVSS 2.0HIGH 7.8
- 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
Sources
- CVE-2016-2846 · CVE Program
- CVE-2016-2846 · NVD
- FIRST EPSS
- GHSA-pmhf-pp7x-prjr · 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