CVE-2021-38648
Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability
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
- 11.42% probability · 96th percentile
- Public exploits
- None in Exploit-DB
- 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 open management infrastructure · 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
EPSS 11.4% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-38648
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38648Patch, Vendor Advisory
- http://packetstormsecurity.com/files/164925/Microsoft-OMI-Management-Interface-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38648Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38648US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.