Home/CVE/A memory corruption vulnerability in the Unauthorized Change Prevention service of Trend Micro Apex One and Apex One as
CVE

CVE-2022-44650

A memory corruption vulnerability in the Unauthorized Change Prevention service of Trend Micro Apex One and Apex One as

A memory corruption vulnerability in the Unauthorized Change Prevention service of Trend Micro Apex One and Apex One as a Service could allow a local attacker to elevate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

HIGH · CVSS 7.8 EPSS 0.00091
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
CWE-787Out-of-bounds Write
▤

Affected Products & Versions

2
trendmicro apex one< 14.0.11789
trendmicro apex oneall versions
◈

Sigma Hunt Rules

7
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · security@trendmicro.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Dec 2022 · 01:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://success.trendmicro.com/solution/000291770Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1616/Third Party AdvisoryVDB Entry
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