SARA / Free Tools / CVE / CVE-2021-38649

CVE-2021-38649 — Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerabilit

Open Management Infrastructure Elevation of Privilege Vulnerability

CVSS

7.0 HIGH

EPSS

6.51% (top 9.00%)

CWE

—

Published

2021-09-15T11:24:09.000Z

Last modified

2025-10-21T23:25:32.826Z

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CISA KEV — Actively Exploited

Added to KEV

2021-11-03

BOD 22-01 due

2021-11-17

Ransomware use

Unknown

View KEV detail

01What is this vulnerability?

Open Management Infrastructure Elevation of Privilege Vulnerability

Vendor	Product	Versions
Microsoft	Open Management Infrastructure	16.0
Microsoft	System Center Operations Manager (SCOM)	1.0.0
Microsoft	Azure Automation State Configuration, DSC Extension	2.0.0
Microsoft	Azure Automation Update Management	1.0.0
Microsoft	Log Analytics Agent	1.0.0
Microsoft	Azure Diagnostics (LAD)	3.0.0
Microsoft	Container Monitoring Solution	1.0.0
Microsoft	Azure Security Center	1.0.0
Microsoft	Azure Sentinel	1.0.0
Microsoft	Azure Stack Hub	1.0.0, 1.0.0

Yes — actively exploited. Added to the CISA KEV catalog on 2021-11-03. Ransomware use: Unknown.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

portal.msrc.microsoft.com — https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-3864…

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