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CVE-2021-38647

Microsoft Open Management Infrastructure (OMI) Remote Code Execution

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwarePublic exploitEPSS 99.9%
  1. Published15 Sept 2021
  2. Added to CISA KEV3 Nov 2021
  3. Remediation due17 Nov 2021
Actively exploited (CISA KEV)

Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing remote code execution.

Added to KEV: 3 Nov 2021Federal remediation due: 17 Nov 2021Used in ransomware

Description

Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Azure Automation State Configurationall versions
Microsoft Azure Automation Update Managementall versions
Microsoft Azure Diagnostics (lad)all versions
Microsoft Azure Security Centerall versions
Microsoft Azure Sentinelall versions
Microsoft Azure Stack Huball versions
Microsoft Container Monitoring Solutionall versions
Microsoft Log Analytics Agentall versions
Microsoft Open Management Infrastructure< 1.6.8-1
Microsoft System Center Operations Managerall versions

Remediation

Fixed in
Microsoft Open Management Infrastructure≥ 1.6.8-1

References

Frequently asked

Is CVE-2021-38647 being actively exploited?

Yes. CVE-2021-38647 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021. It has been used in ransomware campaigns.

How severe is CVE-2021-38647?

CVE-2021-38647 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 99.9% probability of exploitation.

Which products are affected by CVE-2021-38647?

Affected products include Microsoft Azure Automation State Configuration, Microsoft Azure Automation Update Management, Microsoft Azure Diagnostics (lad), Microsoft Azure Security Center, Microsoft Azure Sentinel, and 5 more.

How do I fix CVE-2021-38647?

Upgrade affected software to a fixed version, for example Microsoft Open Management Infrastructure 1.6.8-1 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2021-38647 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.