November 3, 2021 · Applied Cybernetics Group
CVE-2021-38647 — Microsoft Open Management Infrastructure (OMI)
known ransomware use
Microsoft Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
- Added to KEV
2021-11-03- Federal due date
2021-11-17- Vendor
- Microsoft
- Product
- Open Management Infrastructure (OMI)
- EPSS
- 100.0th percentile (score 0.999, as of
2026-09-16) - NVD CVSS v3.1
- 9.8 (CRITICAL)
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2021-38647
CISA short description
Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing remote code execution.
Required action
Apply updates per vendor instructions.
NVD description
Open Management Infrastructure (OMI) Remote Code Execution Vulnerability