SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-38645

Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability

KEVHIGH 7.8EPSS 2.73%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 17 November 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

Open Management Infrastructure Elevation of Privilege Vulnerability

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
2.73% probability · 85th percentile
CISA KEV
Listed 3 November 2021 · due 17 November 2021
Affected
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/open management infrastructure · microsoft/system center operations manager
Source
secure@microsoft.com

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-38645

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.