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CVE-2021-38649

64
FAUCET Score

CVE-2021-38649 is an Elevation of Privilege vulnerability affecting Microsoft Azure Open Management Infrastructure (OMI) and related Azure services. With a CVSS score of 7.8 (HIGH), it allows a local, low-privileged attacker to gain full administrative control over affected systems. This vulnerability is actively exploited in the wild, as confirmed by its presence in the KEV catalog, and has garnered significant community attention and media coverage. Despite active exploitation, public exploit code is not widely available.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_automation_state_configuration:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_automation_update_management:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_diagnostics_\(lad\):-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_open_management_infrastructure:-:*:*:*:*:*:*:*
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_security_center:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.0HIGH

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.00%
Probability of exploitation in next 30 days
EPSS Percentile
78.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Added to KEV · Nov 3, 2021
This CVE's current EPSS score of 0.0200 is in the 96th percentile among its peer group of 17,061 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (12)

microsoftpatch availablevia nvd_reference
View patch
microsoftpatch availablevia msrc
Product: Open Management InfrastructureFixed in: OMI Version 1.6.8-1
View patch
microsoftpatch availablevia msrc
Product: System Center Operations Manager (SCOM)Fixed in: OMI version: 1.6.8-1
microsoftpatch availablevia msrc
Product: Azure Automation State Configuration, DSC ExtensionFixed in: DSC Agent versions: 2.71.1.25, 2.70.0.30, 3.0.0.3
microsoftpatch availablevia msrc
Product: Azure Automation Update ManagementFixed in: OMS Agent for Linux GA v1.13.40-0
microsoftpatch availablevia msrc
Product: Log Analytics AgentFixed in: OMS Agent for Linux GA v1.13.40-0
microsoftpatch availablevia msrc
Product: Azure Security CenterFixed in: OMS Agent for Linux GA v1.13.40-0
microsoftpatch availablevia msrc
Product: Azure SentinelFixed in: OMS Agent for Linux GA v1.13.40-0
microsoftpatch availablevia msrc
Product: Azure Diagnostics (LAD)Fixed in: LAD v4.0.13 and LAD v3.0.135
microsoftpatch availablevia msrc
Product: Container Monitoring Solution
microsoftpatch availablevia msrc
Product: Azure Stack HubFixed in: Monitor, Update and Config Mgmnt 1.14.01
microsoftpatch availablevia msrc
Product: Azure Stack HubFixed in: 3.1.135

Vendor Advisories (1)

microsoft2021-Sep/CVE-2021-38649Important

Open Management Infrastructure Elevation of Privilege Vulnerability

Sep 14, 2021

References

cisa.gov / known-exploited-vulnerabilities-catalog
US Government Resource
portal.msrc.microsoft.com / en-US/security-guidance/advisory/CVE-2021-38649
PatchVendor Advisory