Vulnerability details
CVE-2025-40804
Siemens SIMATIC Virtualization as a Service
CVSS 4.0
9.3Critical
Official description
A vulnerability has been identified in SIMATIC Virtualization as a Service (SIVaaS) (All versions). The affected application exposes a network share without any authentication. This could allow an attacker to access or alter sensitive data without proper authorization.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 9.3Critical | 4.0 | CVEProject cvelistV5 (CNA) (siemens) | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |
| 9.1Critical | 3.1 | CVEProject cvelistV5 (CNA) (siemens) | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Siemens | SIMATIC Virtualization as a Service (SIVaaS) | All | CVEProject cvelistV5 (CNA) |
References and advisories
1
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Details
- Published
- 2025-09-09
- Last updated
- 2025-09-09
- State
- Published
- Assigner (CNA)
- siemens
Exploit prediction (EPSS)
0.41%
Probability of exploitation in 30 days
35.8%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- CWE-732Incorrect Permission Assignment for Critical Resource