CVE-2021-38647

critical

Description

Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

From the Tenable Blog

CVE-2021-38647 (OMIGOD): Critical Flaw Leaves Azure Linux VMs Vulnerable to Remote Code Execution

Published: 2021-09-17

Agents installed by default on Azure Linux virtual machines are vulnerable to a remote code execution flaw that can be exploited with a single request.

References

https://web.archive.org/web/20211025233339/https://twitter.com/pancak3lullz/status/1452679527197560837

https://www.wiz.io/blog/secret-agent-exposes-azure-customers-to-unauthorized-code-execution

https://www.wiz.io/blog/omigod-critical-vulnerabilities-in-omi-azure

https://www.tenable.com/blog/examining-the-treat-landscape

https://www.tenable.com/blog/cve-2021-38647-omigod-critical-flaw-leaves-azure-linux-vms-vulnerable-to-remote-code-execution

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-38647

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38647

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-38647

http://packetstormsecurity.com/files/164694/Microsoft-OMI-Management-Interface-Authentication-Bypass.html

Details

Source: Mitre, NVD

Published: 2021-09-15

Updated: 2026-08-10

Named Vulnerability: OMIGODKnown Exploited Vulnerability (KEV)

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

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

Severity: Critical

EPSS

EPSS: 0.99933

Detections

Analytics