Microsoft Azure Stack Hub vulnerabilities

11 CVEs affecting Microsoft Azure Stack Hub, 4 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2025-53793, published 2025-08-12.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2021-38647: Microsoft Open Management Infrastructure (OMI) Remote Code Execution Vulnerability, published 2021-09-15. Critical severity, CVSS 9.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 99.9% chance of exploitation in the next 30 days. Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
• CVE-2021-38648: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability, published 2021-09-15. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 11.4% chance of exploitation in the next 30 days. Open Management Infrastructure Elevation of Privilege Vulnerability
• CVE-2021-38649: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability, published 2021-09-15. High severity, CVSS 7.0. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 2.9% chance of exploitation in the next 30 days. Open Management Infrastructure Elevation of Privilege Vulnerability
• CVE-2021-38645: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability, published 2021-09-15. High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-03. EPSS: 2.7% chance of exploitation in the next 30 days. Open Management Infrastructure Elevation of Privilege Vulnerability
• CVE-2025-53793, published 2025-08-12. High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days. Improper authentication in Azure Stack allows an unauthorized attacker to disclose information over a network.
• CVE-2024-20679, published 2024-02-13. Medium severity, CVSS 6.5. EPSS: 1.3% chance of exploitation in the next 30 days. Azure Stack Hub Spoofing Vulnerability
• CVE-2024-38108, published 2024-08-13. Critical severity, CVSS 9.3. EPSS: 1.2% chance of exploitation in the next 30 days. Azure Stack Hub Spoofing Vulnerability
• CVE-2024-38220, published 2024-09-10. Critical severity, CVSS 9.0. EPSS: 1% chance of exploitation in the next 30 days. Azure Stack Hub Elevation of Privilege Vulnerability
• CVE-2024-38216, published 2024-09-10. Critical severity, CVSS 9.0. EPSS: 0.9% chance of exploitation in the next 30 days. Azure Stack Hub Elevation of Privilege Vulnerability
• CVE-2022-29149, published 2022-06-15. High severity, CVSS 7.8. EPSS: 0.9% chance of exploitation in the next 30 days. Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability

Latest

• CVE-2024-38201, published 2024-08-13. High severity, CVSS 7.0. EPSS: 0.6% chance of exploitation in the next 30 days. Azure Stack Hub Elevation of Privilege Vulnerability