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CVE-2021-38649

Microsoft Open Management Infrastructure (OMI) Privilege Escalation

7.0 HIGHActively exploited (CISA KEV)EPSS 2.89%
  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 privilege escalation.

Added to KEV: 3 Nov 2021Federal remediation due: 17 Nov 2021

Description

Open Management Infrastructure Elevation of Privilege Vulnerability

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityHigh
Privileges requiredLow
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/PR:L/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 Open Management Infrastructureall 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-2021-38649 being actively exploited?

Yes. CVE-2021-38649 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 3 Nov 2021.

How severe is CVE-2021-38649?

CVE-2021-38649 has a CVSS 3.1 base score of 7.0, rated high. EPSS estimates a 2.89% probability of exploitation.

Which products are affected by CVE-2021-38649?

Affected products include Microsoft Azure Automation State Configuration, Microsoft Azure Automation Update Management, Microsoft Azure Diagnostics (lad), Microsoft Azure Open Management Infrastructure, Microsoft Azure Security Center, and 6 more.

How do I fix CVE-2021-38649?

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-2021-38649 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.