CVE-2022-24678Network attack vector

Unauthenticated denial of service via unbounded request logs

Published Feb 24, 2022 · Updated Aug 3, 2024

Resource exhaustion in Trend Micro Apex One and Worry-Free Business Security agents allows remote attackers to consume all disk space. The management-port request logger appends entries without a size limit, so a large request stream makes the temporary log location grow until the disk is full. No authentication is required; exhausting storage interrupts the affected Windows security agent or host.

CVSS severity5.3
Medium
EPSS probability2.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in Trend Micro Apex One and Worry-Free Business Security agents allows remote attackers to consume all disk space. The management-port request logger appends entries without a size limit, so a large request stream makes the temporary log location grow until the disk is full. No authentication is required; exhausting storage interrupts the affected Windows security agent or host.

The record

CVE
CVE-2022-24678
Published
Feb 24, 2022
Updated
Aug 3, 2024
Vendor
Trend Micro
Product
Trend Micro Worry-Free Business Security
Classifications
CWE-400, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 24, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record 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=10.0 SP1, Services (SaaS)

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Trend Micro · Trend Micro Worry-Free Business Securityversion=10.0 SP1, Services (SaaS)
Trend Micro · Trend Micro Apex Oneversion=2019, SaaS

Published CVSS scores

5.0NIST NVDAV:N/AC:L/Au:N/C:N/I:N/A:P
7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5.3Trend MicroCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

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)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-400Uncontrolled Resource Consumption
T1499Endpoint Denial of Service

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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