CVE-2021-38645
CVE-2021-38645 is a high-severity vulnerability in Microsoft Azure Automation State Configuration with a CVSS 3.x base score of 7.8. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2021-11-03).
Key facts
- Severity: High (CVSS 3.x base score 7.8)
- CVSS v2: 4.6
- EPSS exploit prediction: 2% (76th percentile)
- Actively exploited: Yes — listed in CISA KEV (added 2021-11-03)
- EU (EUVD) id: EUVD-2021-25084
- EU exploitation: Flagged exploited in the ENISA EU Vulnerability Database (since 2021-11-03)
- Affected product: Microsoft Azure Automation State Configuration
- Published:
- Last modified:
Description
Open Management Infrastructure Elevation of Privilege Vulnerability
Frequently asked questions
- What is CVE-2021-38645?
- Open Management Infrastructure Elevation of Privilege Vulnerability
- How severe is CVE-2021-38645?
- CVE-2021-38645 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2021-38645 being actively exploited?
- Yes. CVE-2021-38645 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2021-11-03, which means active exploitation has been confirmed. It should be prioritised for remediation.
- What products are affected by CVE-2021-38645?
- CVE-2021-38645 primarily affects Microsoft Azure Automation State Configuration. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2021-38645?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
- Does CVE-2021-38645 have an EU (EUVD) identifier?
- Yes. CVE-2021-38645 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-25084. It is also flagged as exploited in the EUVD (since 2021-11-03).
- When was CVE-2021-38645 published?
- CVE-2021-38645 was published on 2021-09-15 and last updated on 2026-06-17.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38645
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38645
Affected products (10)
- cpe:2.3:a:microsoft:azure_automation_state_configuration:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:azure_automation_update_management:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:azure_diagnostics_\(lad\):-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:azure_open_management_infrastructure:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:azure_security_center:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:azure_sentinel:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:azure_stack_hub:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:container_monitoring_solution:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:log_analytics_agent:-:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:system_center_operations_manager:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Automation State Configuration
- CVE-2021-38647 — Critical (CVSS 9.8): Open Management Infrastructure Remote Code Execution Vulnerability
- CVE-2022-29149 — High (CVSS 7.8): Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability
- CVE-2021-38648 — High (CVSS 7.8): Open Management Infrastructure Elevation of Privilege Vulnerability
- CVE-2021-38649 — High (CVSS 7.0): Open Management Infrastructure Elevation of Privilege Vulnerability
All CVEs affecting Microsoft Azure Automation State Configuration →