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CVE

CVE-2021-36744

Trend Micro Security (Consumer) 2021 and 2020 are vulnerable to a directory junction vulnerability which could allow an

Trend Micro Security (Consumer) 2021 and 2020 are vulnerable to a directory junction vulnerability which could allow an attacker to exploit the system to escalate privileges and create a denial of service.

HIGH · CVSS 7.8 EPSS 0.00228
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

4
trendmicro maximum security 2019all versions
trendmicro maximum security 2020all versions
trendmicro maximum security 2021all versions
trendmicro security for best buyall 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
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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 NVD06 Sep 2021 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://helpcenter.trendmicro.com/en-us/article/tmka-10568PatchVendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-1052/Third Party AdvisoryVDB Entry
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