Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a…
Priority LOW 29CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to bypass a replay protection mechanism via packets on TCP port 102.
Why it matters now
EPSS 0.02917 87th 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 · 15
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.8.2:*:*:*:*:*:*:* | 1.8.2 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1511-1_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1511c-1_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1511f-1_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1512c-1_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1513-1_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1513f-1_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1515-2_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1515f-2_pn_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1516-3_pn\/dp_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:simatic_s7-1500_cpu_firmware:1.8.2:*:*:*:*:*:*:* Versions 1.8.2 Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1511-1_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1511c-1_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1511f-1_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1512c-1_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1513-1_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1513f-1_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1515-2_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1515f-2_pn_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1516-3_pn\/dp_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Show 5 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:h:siemens:simatic_s7-1516f-3_pn\/dp_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1517-3_pn\/dp_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1517f-3_pn\/dp_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1518-4_pn\/dp_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:h:siemens:simatic_s7-1518f-4_pn\/dp_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:h:siemens:simatic_s7-1516f-3_pn\/dp_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1517-3_pn\/dp_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1517f-3_pn\/dp_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1518-4_pn\/dp_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:h:siemens:simatic_s7-1518f-4_pn\/dp_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-2201
- 2026-10-03 Alias added: GHSA-4597-h46x-2mwj
References
More Siemens Simatic S7-1500 Cpu Firmware vulnerabilities
- TI-2019-08156 Uncontrolled resource consumption in Siemens Development/Evaluation Kits for PROFINET IO… CVSS 3.1HIGH 7.5
- TI-2014-04151 Siemens SIMATIC S7-1500 CPU devices with firmware before 1.6 allow remote attackers to… CVSS 2.0HIGH 7.1
- TI-2016-02009 Siemens SIMATIC S7-1500 CPU devices before 1.8.3 allow remote attackers to cause a denial… CVSS 3.0HIGH 7.5
- TI-2022-09211 Uncontrolled resource consumption in Siemens SIMATIC CFU DIQ CVSS 3.1HIGH 7.5
- TI-2014-01791 Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers… CVSS 2.0HIGH 7.8
- TI-2014-01787 Siemens SIMATIC S7-1500 CPU PLC devices with firmware before 1.5.0 allow remote attackers… CVSS 2.0HIGH 7.8
Sources
- CVE-2016-2201 · CVE Program
- CVE-2016-2201 · NVD
- FIRST EPSS
- GHSA-4597-h46x-2mwj · 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