A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl.
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-352.
Summary
A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl. SIPLUS NET variant) (All versions < V3.0.53), SIMATIC CP 443-1 Advanced (incl. SIPLUS NET variant) (All versions < V3.2.17), SIMATIC S7-300 PN/DP CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP CPU family (incl. SIPLUS variants) (All versions). The integrated web server at port 80/TCP or port 443/TCP of the affected devices could allow remote attackers to perform actions with the permissions of an authenticated user, provided the targeted user has an active session and is induced to trigger the malicious request.
Why it matters now
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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:simatic_s7_300_cpu_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_300_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_cp_443-1_firmware:-:*:*:*:advanced:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_cp_443-1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_cp_343-1_firmware:-:*:*:*:advanced:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_cp_343-1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:simatic_s7_400_cpu_firmware:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Siemens |
| cpe:2.3:h:siemens:simatic_s7_400_cpu:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:simatic_s7_300_cpu_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_300_cpu:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_cp_443-1_firmware:-:*:*:*:advanced:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_cp_443-1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_cp_343-1_firmware:-:*:*:*:advanced:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_cp_343-1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:simatic_s7_400_cpu_firmware:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Siemens
- cpe:2.3:h:siemens:simatic_s7_400_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-2016-8673
- 2026-10-03 Alias added: GHSA-4v5h-4j58-whhg
References
More Siemens Simatic Cp 343-1 Firmware vulnerabilities
- TI-2015-06768 A vulnerability has been identified in SIMATIC NET CP 342-5 (incl. CVSS 2.0HIGH 9.7
- TI-2019-10399 Uncontrolled resource consumption in Siemens Development/Evaluation Kits for PROFINET IO… CVSS 3.1HIGH 7.5
- TI-2021-13111 Memory corruption in Siemens SIMATIC CP 343-1 CVSS 3.1HIGH 7.5
- TI-2023-28094 Improper verification of communication channel in Siemens SIMATIC CP 343-1 CVSS 3.1HIGH 7.5
- TI-2018-03420 Improper input validation in Siemens SIMATIC S7-400 CPU 414-3 PN/DP V7 CVSS 3.1MEDIUM 6.5
- TI-2016-07130 A vulnerability has been identified in SIMATIC CP 343-1 Advanced (incl. CVSS 3.0MEDIUM 5.3
Sources
- CVE-2016-8673 · CVE Program
- CVE-2016-8673 · NVD
- FIRST EPSS
- GHSA-4v5h-4j58-whhg · GitHub Advisory Database · CC BY 4.0
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