# CVE-2021-38647

Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

- Page: https://www.vulneraibility.com/cve/CVE-2021-38647
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2021-11-03; CISA due date 2021-11-17; known ransomware use
- EPSS: 99.93% (percentile 100.0)
- Public exploit code: 1 Metasploit module · 12 GitHub proofs of concept · 1 Nuclei template (first 2021-09-15)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-04)
- Published: 2021-09-15

## Affected versions

- Microsoft Azure Automation State Configuration, DSC Extension: affected >= 2.0.0 and < DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3
- Microsoft Azure Automation Update Management: affected >= 1.0.0 and < OMS Agent for Linux GA v1.13.40-0
- Microsoft Azure Diagnostics (LAD): affected >= 3.0.0 and < LAD v4.0.13 and LAD v3.0.135
- Microsoft Azure Security Center: affected >= 1.0.0 and < OMS Agent for Linux GA v1.13.40-0
- Microsoft Azure Sentinel: affected >= 1.0.0 and < OMS Agent for Linux GA v1.13.40-0
- Microsoft Azure Stack Hub: affected >= 1.0.0 and < Monitor, Update and Config Mgmnt 1.14.01
- Microsoft Container Monitoring Solution: affected >= 1.0.0 and < publication
- Microsoft Log Analytics Agent: affected >= 1.0.0 and < OMS Agent for Linux GA v1.13.40-0
- Microsoft Open Management Infrastructure: affected >= 16.0 and < OMI Version 1.6.8-1
- Microsoft System Center Operations Manager (SCOM): affected >= 1.0.0 and < OMI version: 1.6.8-1

A version outside these ranges is not a statement that it is unaffected.

## References

- [patch] https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38647
- [other] https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38647
- [other] http://packetstormsecurity.com/files/164694/Microsoft-OMI-Management-Interface-Authentication-Bypass.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38647

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.