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CVE-2021-38648· NVD / CVE Program· CNA microsoft

Open Management Infrastructure Elevation of Privilege Vulnerability

HighCVSS 7.8 · v3.1KEVWeaponized No fix recorded
Published
Sep 15, 2021
Updated
Aug 10, 2026
EPSS
11.4% · 96th percentile
CWE
—
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Action score

64

This week

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CVSS
31 / 40 · 7.8 / 10
CISA KEV
30 / 30 · Listed
EPSS
3 / 30 · 11.4%

CISA SSVC decision

Exploitation
active
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · microsoft
7.8
NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Actively exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on Nov 3, 2021. That signals real attacks, not theory.

Remediation deadline for government agencies: Nov 17, 2021.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
microsoftazure automation state configuration
microsoftazure automation update management
microsoftazure diagnostics \(lad\)
microsoftazure open management infrastructure
microsoftazure security center
microsoftazure sentinel
microsoftazure stack hub
microsoftcontainer monitoring solution
microsoftlog analytics agent
microsoftopen management infrastructure
microsoftsystem center operations manager

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • 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 infrastructurebefore 1.6.8-1
  • microsoft system center operations managerall versions

Versions reported by the vendor

Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.

  • Microsoft Azure Automation State Configuration, DSC Extension

    • 2.0.0 and later · before DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3affected

  • Microsoft Azure Automation Update Management

    • 1.0.0 and later · before OMS Agent for Linux GA v1.13.40-0affected

  • Microsoft Azure Diagnostics (LAD)

    • 3.0.0 and later · before LAD v4.0.13 and LAD v3.0.135affected

  • Microsoft Azure Security Center

    • 1.0.0 and later · before OMS Agent for Linux GA v1.13.40-0affected

  • Microsoft Azure Sentinel

    • 1.0.0 and later · before OMS Agent for Linux GA v1.13.40-0affected

  • Microsoft Azure Stack Hub

    • 1.0.0 and later · before Monitor, Update and Config Mgmnt 1.14.01affected

  • Microsoft Container Monitoring Solution

    • 1.0.0 and later · before publicationaffected

  • Microsoft Log Analytics Agent

    • 1.0.0 and later · before OMS Agent for Linux GA v1.13.40-0affected

  • Microsoft Open Management Infrastructure

    • 16.0 and later · before OMI Version 1.6.8-1affected

  • Microsoft System Center Operations Manager (SCOM)

    • 1.0.0 and later · before OMI version: 1.6.8-1affected

Same product

microsoft: all records

Other highest-scoring records for the same primary product.

  • CVE-2021-38647Open Management Infrastructure (OMI) Remote Code Execution VulnerabilityKEV
    99Now
  • CVE-2021-38645Open Management Infrastructure Elevation of Privilege VulnerabilityKEV
    62This week
  • CVE-2021-38649Open Management Infrastructure Elevation of Privilege VulnerabilityKEV
    59Plan
  • CVE-2022-29149Open Management Infrastructure (OMI) Elevation of Privilege Vulnerability
    31Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Weaponized

A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.

Evidence

  • Metasploit module ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Metasploit moduleexploit/linux/local/cve_2021_38648_omigodMicrosoft OMI Management Interface Authentication Bypassexploit2021-09-14

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. Metasploit-1 d
  2. Published
  3. CISA KEV+49 d
  4. TodayOct 2, 2026+1844 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • A low-privileged account is enough.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

—

CVSS vector

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

nvd-secondary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records