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Page generated: 07 Nov 2026, 05:46 UTC

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CVE-2021-38647

Open Management Infrastructure (OMI) Remote Code Execution Vulnerability

CVSS 9.8 (CRITICAL) KEV: KNOWN CATALOG

Attention and evidence

HYPE SCORE

0.0/10

REALITY · THREAT PRIORITY

9.0/10

General review priority; not probability

Evidence confidence: Exploitation recorded

Why this priority?

Recorded exploitation baseline: +7.00
Technical severity: CVSS 9.8: +1.47
Fresh EPSS: 99.93%: +0.50

General review priority, not probability, victim count or asset-specific risk. A range covers missing CVSS/EPSS inputs within the current evidence state.

Sources: 10 documents and public datasets.

Hype components

Headline sample (25%)

0/100

Press, 30 days (60%)

0/100

Grounded branding (15%)

0/100

HYPE TOTAL0/100

Sources and documents

Arctic Wolf

Press · 25 Jul 2022, 17:03 · CVE-2021-38647 RCE - Arctic Wolf

TechTarget

Press · 20 Sep 2021, 07:00 · Microsoft details 'OMIGOD' Azure vulnerability fixes, threats - TechTarget

CyberSecurityNews

Press · 17 Sep 2021, 07:00 · Microsoft Azure Services Bug Let Hackers Gain Root Access on Cloud When Users Setup on Linux VM - CyberSecurityNews

Unit 42

Press · 16 Sep 2021, 07:00 · Threat Brief: OMI Vulnerabilities (CVE-2021-38645, CVE-2021-38647, CVE-2021-38648 and CVE-2021-38649) - Unit 42

The Hacker News

Press · 15 Sep 2021, 07:00 · Critical Flaws Discovered in Azure App That Microsoft Secretly Installs on Linux VMs - The Hacker News

See all 10 source documents

Rapid7

Press · 15 Sep 2021, 07:00 · How to Detect & Fix Microsoft Azure’s OMI Vulnerability - Rapid7

Krebs on Security

Press · 14 Sep 2021, 07:00 · Microsoft Patch Tuesday, September 2021 Edition - Krebs on Security

Sophos

Press · 14 Sep 2021, 07:00 · Big Office bug squashed for September 2021’s Patch Tuesday - Sophos

Cisco Talos Blog

Press · 14 Sep 2021, 07:00 · Microsoft Patch Tuesday for Sept. 2021 — Snort rules and prominent vulnerabilities - Cisco Talos Blog

wiz.io

Press · 14 Sep 2021, 07:00 · OMIGOD: Critical Vulnerabilities in OMI Affecting Countless Azure Customers - wiz.io

Score evolution

● Hype ● Reality

Earlier evidence-support scores are retained in history; this chart shows only the current priority definition.

First record: hype 0.0 · reality 9.0 (2026-11-02 15:12). The curve appears once the score changes.

Public exploit evidence

Public exploit entries / repo candidates

See 4 repos with metrics

Repository	Stars	Forks	Language	Updated
AlteredSecurity/CVE-2021-38647	67	23	PowerShell	26 Sep 2021, 04:37
midoxnet/CVE-2021-38647	8	5	—	15 Sep 2021, 21:48
SimenBai/CVE-2021-38647-POC-and-Demo-environment	3	1	Python	22 Sep 2021, 10:47
Immersive-Labs-Sec/cve-2021-38647	2	5	Python	16 Sep 2021, 14:50

Evidence context and dated references

Reality is general threat/review priority, combining observed exploitation, CVSS severity and fresh EPSS. Evidence confidence is separate. This is not calibrated risk, a victim count or an asset-specific assessment. A range reflects missing numeric inputs.

Evidence in context

Confidence in exploitation evidence: Exploitation recorded
Priority basis: Recorded exploitation; CVSS 9.8; EPSS 99.9%
Attention, last 30 days: 0 distinct story titles; 0 press documents; 0 publisher domains.
Technical potential: network access, no prior privileges, no user interaction.
Observed activity: Exploitation recorded in CISA KEV.
Known scale: Not quantified.
Evidence confidence basis: Trusted exploitation confirmation

Score evaluated: 2026-11-05 13:58:30.019134+00:00 · EPSS snapshot: 2026-11-05T12:03:04Z

Source event timeline

First press mention

14 Sep 2021, 07:00

Published

15 Sep 2021, 11:24

Added to the CISA KEV catalog

03 Nov 2021, 00:00

Latest press mention

25 Jul 2022, 17:03

Score calculated

05 Nov 2026, 13:58

PoCs on GitHub

4 repositories