CVE-2021-38647

CRITICALNVD 9.89.8—Trending — 5 sources updated this weekExploited in the wild

9.8

Open Management Infrastructure Remote Code Execution Vulnerability

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 100.0%
KEV: ⚠ Exploited

Published

September 15, 2021

Last Modified

October 30, 2025

Advisory Details (3)

Auto-updated Jun 1, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: microsoft, cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

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

microsoft Patch Available

Security Update Guide - Microsoft Security Response Center

Security Update Guide - Microsoft Security Response Center. Patch available via Microsoft Security Update

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

generic

Packet Storm

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

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Microsoft MSRCCVE-2021-386472021-09-14
Open Management Infrastructure Remote Code Execution Vulnerability

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 22:00 UTCEG score recompute
2026-06-03 22:00 UTCVendor advisory
2026-06-03 22:00 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 18:07 UTCEG score recompute
2026-06-03 18:07 UTCVendor advisory
2026-06-03 18:07 UTCGHSA enrichment
2026-06-03 14:14 UTCEG score recompute
2026-06-03 14:14 UTCVendor advisory
2026-06-03 14:14 UTCGHSA enrichment
2026-06-03 10:21 UTCEG score recompute
2026-06-03 10:21 UTCVendor advisory
2026-06-03 10:21 UTCGHSA enrichment
2026-06-03 06:28 UTCEG score recompute
2026-06-03 06:28 UTCVendor advisory
2026-06-03 06:28 UTCGHSA enrichment
2026-06-03 02:35 UTCEG score recompute
2026-06-03 02:35 UTCVendor advisory
2026-06-03 02:35 UTCGHSA enrichment
2026-06-02 22:42 UTCEG score recompute

Publicly available exploits

(9 references)

Working exploit code is in the public domain (1 Metasploit module) (7 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCAlteredSecurity/CVE-2021-38647
First seen Sep 20, 2021
CVE-2021-38647 - POC to exploit unauthenticated RCE #OMIGOD
Open source ↗
GitHub PoCSimenBai/CVE-2021-38647-POC-and-Demo-environment
First seen Sep 19, 2021
OMIGod / CVE-2021-38647 POC and Demo environment
Open source ↗
GitHub PoCmarcosimioni/omigood
First seen Sep 16, 2021
OMIGOD! OM I GOOD? A free scanner to detect VMs vulnerable to one of the "OMIGOD" vulnerabilities discovered by Wiz's threat research team, specifically CVE-2021-38647.
Open source ↗
GitHub PoCImmersive-Labs-Sec/cve-2021-38647
First seen Sep 16, 2021
A PoC exploit for CVE-2021-38647 RCE in OMI
Open source ↗
GitHub PoChorizon3ai/CVE-2021-38647
First seen Sep 16, 2021
Proof on Concept Exploit for CVE-2021-38647 (OMIGOD)
Open source ↗
GitHub PoCmidoxnet/CVE-2021-38647
First seen Sep 15, 2021
CVE-2021-38647 POC for RCE
Open source ↗
GitHub PoCcorelight/CVE-2021-38647
First seen Sep 15, 2021
CVE-2021-38647 AKA "OMIGOD" vulnerability in Windows OMI
Open source ↗
Metasploitexploit/linux/misc/cve_2021_38647_omigod✓ verified
First seen Sep 14, 2021
Microsoft OMI Management Interface Authentication Bypass
Open source ↗
Nucleihttp/cves/2021/CVE-2021-38647.yaml
First seen Jan 1, 2021
Microsoft Open Management Infrastructure - Remote Code Execution
Open source ↗

Frequently asked(6)

What is CVE-2021-38647?

CVE-2021-38647 is a critical vulnerability published on September 15, 2021. Open Management Infrastructure Remote Code Execution Vulnerability

When was CVE-2021-38647 disclosed?

CVE-2021-38647 was first published in the National Vulnerability Database on September 15, 2021, with the most recent update on October 30, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-38647 actively exploited?

Yes. CISA added CVE-2021-38647 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting Microsoft Open Management Infrastructure (OMI). KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2021-38647?

CVE-2021-38647 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2021-38647?

CVE-2021-38647 affects Microsoft Open Management Infrastructure (OMI). The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2021-38647?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-38647, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2021-38647

Explore →

Is Your Infrastructure Affected by CVE-2021-38647?

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CVE-2021-38647

Published

Last Modified

Advisory Details (3)

Known Exploited Vulnerabilities Catalog | CISA

Security Update Guide - Microsoft Security Response Center

Packet Storm

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38647?

Same vendor

Same CWE

CVE-2021-38647

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

Known Exploited Vulnerabilities Catalog | CISA

Security Update Guide - Microsoft Security Response Center

Packet Storm

Weakness Classification(2)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-38647?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

Advisory Details (3)

Frequently asked(6)

Related CVEs(same vendor + same CWE)