CVE-2021-38647
Microsoft Open Management Infrastructure (OMI) Remote Code Execution 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 (OMI) Remote Code Execution Vulnerability
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 99.93% probability · 100th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Listed 3 November 2021 · due 17 November 2021 · used in ransomware campaigns
- 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
EPSS 99.9% since 30 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-2021-38647
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38647Patch, Vendor Advisory
- http://packetstormsecurity.com/files/164694/Microsoft-OMI-Management-Interface-Authentication-Bypass.htmlExploit, Third Party Advisory, VDB Entry
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38647Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38647US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.