Improper privilege management in Siemens SINAMICS G220 V6.4
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Active
- Attack complexity
- High
- Attack requirements
- Present
- Impact type
- Privilege escalation
- Confidentiality · integrity · availability
- None · High · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-269.
Summary
A vulnerability has been identified in SINAMICS G220 V6.4 (All versions < V6.4 HF2), SINAMICS S200 V6.4 (All versions < V6.4 HF7), SINAMICS S210 V6.4 (All versions < V6.4 HF2). The affected devices allow a factory reset to be executed without the required privileges due to improper privilege management as well as manipulation of configuration data because of leaked privileges of previous sessions. This could allow an unauthorized attacker to escalate their privileges.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Siemens | SINAMICS G220 V6.4 | before V6.4 HF2 | V6.4 HF2 | Patch available | CNA |
| Siemens | SINAMICS S200 V6.4 | before V6.4 HF7 | V6.4 HF7 | Patch available | CNA |
| Siemens | SINAMICS S210 V6.4 | before V6.4 HF2 | V6.4 HF2 | Patch available | CNA |
- SINAMICS G220 V6.4 VendorSiemens Affected before V6.4 HF2 Fixed in V6.4 HF2 Patch available CNA
- SINAMICS S200 V6.4 VendorSiemens Affected before V6.4 HF7 Fixed in V6.4 HF7 Patch available CNA
- SINAMICS S210 V6.4 VendorSiemens Affected before V6.4 HF2 Fixed in V6.4 HF2 Patch available CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:siemens:sinamics_g220_firmware:6.4:-:*:*:*:*:*:* | 6.4 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:sinamics_g220_firmware:6.4:hf1:*:*:*:*:*:* | 6.4 hf1 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sinamics_g220:-:-:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sinamics_s200_firmware:6.4:*:*:*:*:*:*:* | 6.4 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sinamics_s200:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
| cpe:2.3:o:siemens:sinamics_s210_firmware:6.4:-:*:*:*:*:*:* | 6.4 | Vulnerable | Siemens |
| cpe:2.3:o:siemens:sinamics_s210_firmware:6.4:hf1:*:*:*:*:*:* | 6.4 hf1 | Vulnerable | Siemens |
| cpe:2.3:h:siemens:sinamics_s210:-:-:*:*:*:*:*:* | not specified by NVD | Running on | Siemens |
- cpe:2.3:o:siemens:sinamics_g220_firmware:6.4:-:*:*:*:*:*:* Versions 6.4 Vulnerable ·Siemens
- cpe:2.3:o:siemens:sinamics_g220_firmware:6.4:hf1:*:*:*:*:*:* Versions 6.4 hf1 Vulnerable ·Siemens
- cpe:2.3:h:siemens:sinamics_g220:-:-:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sinamics_s200_firmware:6.4:*:*:*:*:*:*:* Versions 6.4 Vulnerable ·Siemens
- cpe:2.3:h:siemens:sinamics_s200:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
- cpe:2.3:o:siemens:sinamics_s210_firmware:6.4:-:*:*:*:*:*:* Versions 6.4 Vulnerable ·Siemens
- cpe:2.3:o:siemens:sinamics_s210_firmware:6.4:hf1:*:*:*:*:*:* Versions 6.4 hf1 Vulnerable ·Siemens
- cpe:2.3:h:siemens:sinamics_s210:-:-:*:*:*:*:*:* Versions not specified by NVD Running on ·Siemens
Remediation
- Fix · CNA SINAMICS G220 V6.4 (Siemens) Fixed in V6.4 HF2
- Fix · CNA SINAMICS S200 V6.4 (Siemens) Fixed in V6.4 HF7
- Fix · CNA SINAMICS S210 V6.4 (Siemens) Fixed in V6.4 HF2
Timeline
- 2026-10-02 Threatist record created from CVE-2025-40594
- 2026-10-03 Alias added: GHSA-jg6x-p73x-m4hc
References
Sources
- CVE-2025-40594 · CVE Program
- CVE-2025-40594 · NVD
- FIRST EPSS
- GHSA-jg6x-p73x-m4hc · GitHub Advisory Database · CC BY 4.0
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