CVE-2025-22890

Local SYSTEM privilege escalation via undisclosed operation

Published Feb 6, 2025 · Updated Feb 12, 2025

Privilege escalation in Humming Heads Defense Platform Home Edition 3.9.51.x and earlier allows local users to obtain SYSTEM privileges. Humming Heads and JPCERT/CC describe only a specific operation and have not published the affected component or the operation that executes with unnecessary privileges. Exploitation requires low-privileged local access to a Windows host and grants SYSTEM authority, with no CNA-reported confidentiality or availability impact.

CVSS severity6.5
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Privilege escalation in Humming Heads Defense Platform Home Edition 3.9.51.x and earlier allows local users to obtain SYSTEM privileges. Humming Heads and JPCERT/CC describe only a specific operation and have not published the affected component or the operation that executes with unnecessary privileges. Exploitation requires low-privileged local access to a Windows host and grants SYSTEM authority, with no CNA-reported confidentiality or availability impact.

The record

CVE
CVE-2025-22890
Published
Feb 6, 2025
Updated
Feb 12, 2025
Vendor
Humming Heads Inc.
Product
Defense Platform Home Edition
Classifications
CWE-250, T1068
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Feb 12, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=Ver.3.9.51.x and earlier

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Humming Heads Inc. · Defense Platform Home Editionversion=Ver.3.9.51.x and earlier

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
6.5JPCERT/CCCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-250Execution with Unnecessary Privileges
T1068Exploitation for Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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