CVE-2021-38647 kev+ ransomware in the critical feed json
Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
published 5y ago modified 2mo ago also EUVD-2021-25086
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Exploited
- added 2021-11-03, used in ransomware
- epss
- 99.9%
- EPSS 99.9% chance of exploitation in 30 days, percentile 99.9%
- public exploits
- 1
- Metasploit, plus a Nuclei check
Summary
Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
Patch / fix
cisa required action Apply updates per vendor instructions.
- Microsoft Azure Automation State Configuration, DSC Extension DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3
- Microsoft Azure Automation Update Management OMS Agent for Linux GA v1.13.40-0
- Microsoft Azure Diagnostics (LAD) LAD v4.0.13 and LAD v3.0.135
- Microsoft Azure Security Center OMS Agent for Linux GA v1.13.40-0
- Microsoft Azure Sentinel OMS Agent for Linux GA v1.13.40-0
- Microsoft Azure Stack Hub Monitor, Update and Config Mgmnt 1.14.01
- Microsoft Log Analytics Agent OMS Agent for Linux GA v1.13.40-0
- Microsoft Open Management Infrastructure OMI Version 1.6.8-1
- Microsoft System Center Operations Manager (SCOM) OMI version: 1.6.8-1
Is CVE-2021-38647 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerTimeline
- First public exploit (Metasploit exploit/linux/misc/cve_2021_38647_omigod)
- Published
- Added to CISA KEV
- CISA patch deadline
- CISA SSVC: exploitation active
Known exploited
- Added
- 5y ago
- Patch by
- 2021-11-17 (4y ago)
- Ransomware
- Known to be used in ransomware campaigns
- Required action
- Apply updates per vendor instructions.
- Vendor, product
- Microsoft, Open Management Infrastructure (OMI)
- CISA name
- Microsoft Open Management Infrastructure (OMI) Remote Code Execution Vulnerability
CISA SSVC
- Exploitation
- Active, exploited in the wild
- Automatable
- yes
- Technical impact
- total
- Assessed
- last yr.
Exploit prediction
99.93% chance of exploitation in the next 30 days, higher than 99.9% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- Metasploit exploit/linux/misc/cve_2021_38647_omigod Microsoft OMI Management Interface Authentication Bypass metasploit exploit, excellent rank, 2021-09-14
- Nuclei template Microsoft Open Management Infrastructure - Remote Code Execution nuclei detection template
- packetstormsecurity.com http://packetstormsecurity.com/files/164694/Microsoft-OMI-Management-Interface-Authentication-Bypass.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Affected products
- Microsoft Azure Automation State Configuration, DSC Extension
- 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 (SCOM)
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2021-38647
vendor-advisory, patch
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2021-38647
patch, vendor-advisory
-
packetstormsecurity.com
/files/164694/Microsoft-OMI-Management-Interface-Authentication-Bypass.html
exploit, third-party-advisory, vdb-entry
-
cisa.gov
/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38647
government-resource, us-government-resource
Sources
- CVE List CVE-2021-38647
- NVD CVE-2021-38647
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.