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CVE Record

CVE-2021-38647: Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

CriticalCVSS 9.8Known exploitedUpdated
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Glexia's TakeSource changedcritical

Security readout for executives and security teams

Plain-English summary

CVE-2021-38647 is a critical remote-code-execution flaw in Microsoft Open Management Infrastructure. An unauthenticated attacker able to reach a vulnerable deployment could take control of affected systems, exposing data, altering operations, or disrupting services. CISA lists the vulnerability as known exploited, making remediation urgent.

Executive priority

Treat this as an immediate remediation priority because exploitation requires no authentication or user action and CISA confirms known exploitation. Focus first on externally reachable and business-critical systems, while security teams investigate potentially exposed hosts for compromise.

Technical view

The CVSS 3.1 score is 9.8: network-accessible, low complexity, no privileges, and no user interaction. Successful exploitation can severely affect confidentiality, integrity, and availability. The bundle associates OMI with several Azure management, monitoring, security, diagnostics, automation, and System Center integrations, but provides no CWE or detailed vulnerable-build boundaries.

Likely exposure

Exposure is most likely on systems running OMI directly or through the listed Microsoft Azure and System Center integrations. Network-reachable deployments deserve first attention. The supplied version entries are insufficient to establish precise vulnerable-build ranges, so organizations must compare installed builds with current Microsoft guidance.

Exploitation context

Active exploitation is supported by CVE-2021-38647's inclusion in CISA's Known Exploited Vulnerabilities catalog. The supplied evidence does not describe current campaigns, attacker groups, exploitation volume, indicators of compromise, or whether every listed integration is equally exposed.

Researcher notes

The source bundle establishes critical severity, remote unauthenticated attack characteristics, broad impact, a Microsoft patch reference, and KEV status. It does not provide protocol mechanics, vulnerable-to-fixed build mapping, CWE classification, campaign details, or product-specific exposure conditions. Validate those details through Microsoft's advisory before making asset-level conclusions.

Mitigation direction

  • Review Microsoft's advisory and apply its update for CVE-2021-38647 across affected OMI deployments.
  • Prioritize remediation of internet-facing or otherwise untrusted-network-accessible systems.
  • Restrict network access to OMI services until affected systems are confirmed remediated.
  • Check Microsoft guidance for product-specific remediation across each listed Azure or System Center integration.
  • Retire unnecessary OMI installations or integrations after confirming operational dependencies.

Validation and detection

  • Inventory hosts and Azure services using OMI or the listed integrations.
  • Compare installed OMI builds with Microsoft's affected and fixed-version guidance.
  • Confirm potentially vulnerable OMI services are not unnecessarily reachable from untrusted networks.
  • Review security telemetry for unexpected OMI-related activity on previously exposed systems.
  • Reassess exposure after remediation and verify updates remain installed.
Prepared
Confidence
high
Sources
4

Public sources used

The source record changed after analysis: Material source record changed after analysis.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
description · low confidence lookup

Container behavior lookup

The affected technology mentions containers, so container-specific ATT&CK technique review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-38647 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.8 (3.1)
Known Exploited
Yes
Published

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

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
5Timeline events
2ADP providers
4Source links

CISA KEV status

Status
Known exploited
Source
CISA-ADP
Date added
KEV reference

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: activeAutomatable: yesTechnical Impact: total

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.8CVSS 3.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C3.95.9microsoft

Vulnerability scoring details

Base CVSS 3.1 score

9.8Critical
CVSS 3.1 vector shape for CVE-2021-38647Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. Added to KEVCISA-ADP

    CISA Known Exploited Vulnerabilities metadata lists this CVE as known exploited.

  4. ADP timelineCISA-ADP

    CVE-2021-38647 added to CISA KEV

  5. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

ADP provider summaries

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvcother:kev
  • 2021-11-03T00:00:00.000Z: CVE-2021-38647 added to CISA KEV

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
MicrosoftAzure Automation State Configuration, DSC Extension2.0.0Listed
MicrosoftAzure Automation Update Management1.0.0Listed
MicrosoftAzure Diagnostics (LAD)3.0.0Listed
MicrosoftAzure Security Center1.0.0Listed
MicrosoftAzure Sentinel1.0.0Listed
MicrosoftAzure Stack Hub1.0.0Listed
MicrosoftContainer Monitoring Solution1.0.0Listed
MicrosoftLog Analytics Agent1.0.0Listed
MicrosoftOpen Management Infrastructure16.0Listed
MicrosoftSystem Center Operations Manager (SCOM)1.0.0Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.