Patchfirst
CVE-2021-38648 KEVPublic exploit High · 7.8 EPSS 11.4%

Microsoft Open Management Infrastructure (OMI) Privilege Escalation Vulnerability

Microsoft · Open Management Infrastructure (OMI)

Summary

The flaw is a privilege escalation vulnerability in Microsoft's Open Management Infrastructure (OMI), an open-source management infrastructure component. An attacker who can reach it with an existing account and low privileges, and who needs no user interaction, can escalate their privileges, which is consistent with weak authentication being the underlying weakness.

Official description · NVD

Open Management Infrastructure Elevation of Privilege Vulnerability

Breakdown
67.7 / 100
Exploited
Yes, in CISA KEV
Reports
0
Tactics
1/15

How an attack unfolds

Based on mappings. Select a step to see the evidence.
  1. How attackers get in

  2. What they do

First seen exploited 2 days after disclosure. Public exploit code (Metasploit) was available 1 day before disclosure.

  1. Public exploit codeMetasploit1 day before
  2. Disclosedday 0
  3. First seen exploitedVulnCheck KEV evidence+2 days
  4. Added to CISA KEVEU database agrees+49 days

CISA KEV listing is when exploitation was confirmed, not necessarily the first attack.

techniques

2 , grouped by in kill-chain order, 2 cited passages 2

Privilege EscalationTA0004

Exploitation for Privilege Escalation T1068 Medium
AI mapping from the description · how it is exploited

Elevation of privilege vulnerability; local privilege escalation

Open Management Infrastructure Elevation of Privilege Vulnerability
From the official description (NVD) Original (opens in a new tab) ↗
Abuse Elevation Control Mechanism T1548 Medium
AI mapping from the description · primary impact

Gains elevated privileges via OMI flaw

Open Management Infrastructure Elevation of Privilege Vulnerability
From the official description (NVD) Original (opens in a new tab) ↗

Detection

0 rules for this CVE · 55 general rules for its techniques

Rules for this CVE

0 that reference CVE-2021-38648 directly.

CVE-specific rules are not available in this build. Search SigmaHQ ↗

Sigma rules © SigmaHQ, Detection Rule License 1.1; linked, not reproduced.

What security researchers reported

Not named in any threat report yet

Also mentioned in 50 community threat pulses (AlienVault OTX)

Weaker evidence

Pulses are indicator collections that anyone can publish. A mention is not confirmation of exploitation.

References

4 links, grouped by NVD tag
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