CVE-2021-38645: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability

CVE-2021-38645 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03

Microsoft Open Management Infrastructure (OMI) contains a privilege escalation vulnerability that allows a local attacker to gain elevated permissions. The vulnerability impacts various Azure VM Management Extensions and System Center products that utilize the OMI framework.

Technologies: Microsoft Open Management Infrastructure (Omi). Vendors: Microsoft.

Quick answers

Is CVE-2021-38645 exploited in the wild?
Yes. CVE-2021-38645 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-38645?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Microsoft Open Management Infrastructure (OMI); Microsoft Azure Automation State Configuration; Microsoft Azure Automation Update Management; Microsoft Azure Diagnostics (LAD); and 6 more.
Is there a fix for CVE-2021-38645?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2021-38645 attacked?
It is attacked with local access, in a software library.
Am I affected by CVE-2021-38645?
Check whether you run Microsoft Open Management Infrastructure (Omi). Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Microsoft Open Management Infrastructure (OMI)
  • Microsoft Azure Automation State Configuration
  • Microsoft Azure Automation Update Management
  • Microsoft Azure Diagnostics (LAD)
  • Microsoft Azure Security Center
  • Microsoft Azure Sentinel
  • Microsoft Azure Stack Hub
  • Microsoft Container Monitoring Solution
  • Microsoft Log Analytics Agent
  • Microsoft System Center Operations Manager

Timeline

  • 2021-09-15: disclosed: NVD Published Date
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: advisory: Published date per advisory title

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