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CVE-2021-38645

Open Management Infrastructure Elevation of Privilege Vulnerability

  • High 7.8
  • Exploited: added to CISA KEV 3 Nov 2021

Description

Open Management Infrastructure Elevation of Privilege Vulnerability

Key facts

Published
15 Sep 2021
Last changed
10 Aug 2026
Assigned by
microsoft
KEV added
3 Nov 2021
KEV fix due
17 Nov 2021
EPSS
2.727% likely to be exploited in the next 30 days, higher than 86.302% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 7.8CVSS 3.1, Highfrom the CNA (microsoft)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

What to do

  • Apply updates per vendor instructions.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
MicrosoftAzure Automation State Configuration, DSC Extension
  • 2.0.0 up to but excluding DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3 (affected)
MicrosoftAzure Automation Update Management
  • 1.0.0 up to but excluding OMS Agent for Linux GA v1.13.40-0 (affected)
MicrosoftAzure Diagnostics (LAD)
  • 3.0.0 up to but excluding LAD v4.0.13 and LAD v3.0.135 (affected)
MicrosoftAzure Security Center
  • 1.0.0 up to but excluding OMS Agent for Linux GA v1.13.40-0 (affected)
MicrosoftAzure Sentinel
  • 1.0.0 up to but excluding OMS Agent for Linux GA v1.13.40-0 (affected)
MicrosoftAzure Stack Hub
  • 1.0.0 up to but excluding Monitor, Update and Config Mgmnt 1.14.01 (affected)
MicrosoftContainer Monitoring Solution
  • 1.0.0 up to but excluding publication (affected)
MicrosoftLog Analytics Agent
  • 1.0.0 up to but excluding OMS Agent for Linux GA v1.13.40-0 (affected)
MicrosoftOpen Management Infrastructure
  • 16.0 up to but excluding OMI Version 1.6.8-1 (affected)
MicrosoftSystem Center Operations Manager (SCOM)
  • 1.0.0 up to but excluding OMI version: 1.6.8-1 (affected)

Timeline

  1. 15 Sep 2021 Published
  2. 3 Nov 2021 CVE-2021-38645 added to CISA KEV
  3. 3 Nov 2021 Added to the CISA KEV catalogue

References