CVEs / CVE-2021-38649
CVE-2021-38649: Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability
- Known exploited in the CISA KEV catalog since 3 Nov 2021
- medium 4.6 CVSS 2.0 (NVD)
- EPSS 2.88% chance of exploitation in the next 30 days, higher than 86% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
Microsoft Open Management Infrastructure (OMI) within Azure VM Management Extensions contains an unspecified vulnerability allowing privilege escalation.
Description
Open Management Infrastructure Elevation of Privilege Vulnerability
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Azure Automation State Configuration, DSC Extension | from 2.0.0, before DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3 | DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3 |
| Microsoft Azure Automation Update Management | from 1.0.0, before OMS Agent for Linux GA v1.13.40-0 | OMS Agent for Linux GA v1.13.40-0 |
| Microsoft Azure Diagnostics (LAD) | from 3.0.0, before LAD v4.0.13 and LAD v3.0.135 | LAD v4.0.13 and LAD v3.0.135 |
| Microsoft Azure Security Center | from 1.0.0, before OMS Agent for Linux GA v1.13.40-0 | OMS Agent for Linux GA v1.13.40-0 |
| Microsoft Azure Sentinel | from 1.0.0, before OMS Agent for Linux GA v1.13.40-0 | OMS Agent for Linux GA v1.13.40-0 |
| Microsoft Azure Stack Hub | from 1.0.0, before Monitor, Update and Config Mgmnt 1.14.01 | Monitor, Update and Config Mgmnt 1.14.01 |
| Microsoft Container Monitoring Solution | from 1.0.0, before publication | publication |
| Microsoft Log Analytics Agent | from 1.0.0, before OMS Agent for Linux GA v1.13.40-0 | OMS Agent for Linux GA v1.13.40-0 |
| Microsoft Open Management Infrastructure | from 16.0, before OMI Version 1.6.8-1 | OMI Version 1.6.8-1 |
| Microsoft System Center Operations Manager (SCOM) | from 1.0.0, before OMI version: 1.6.8-1 | OMI version: 1.6.8-1 |
Exploitation
| In CISA KEV since | 3 Nov 2021 |
|---|---|
| Due date for US federal agencies | 17 Nov 2021 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 2.0 | 4.6 mediumAV:L/AC:L/Au:N/C:P/I:P/A:PScored by NVD |
|---|
References
- CVE-2021-38649 on NVD
- CVE-2021-38649 in the CISA KEV catalog
- CVE-2021-38649 on OSV
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38649 Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38649 Patch, Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38649 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.