Home/CVE/An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family o
CVE

CVE-2020-24560

An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family o

An incomplete SSL server certification validation vulnerability in the Trend Micro Security 2019 (v15) consumer family of products could allow an attacker to combine this vulnerability with another attack to trick an affected client into downloading a malicious update instead of the expected one. CWE-295: Improper server certificate verification in the communication with the update server.

HIGH · CVSS 7.5 EPSS 0.00221
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules7 YARA rules0
⬡

Weakness Classification

CWE-295Improper Certificate Validation
▤

Affected Products & Versions

5
trendmicro antivirus\+ 2019<= 15.0
trendmicro internet security 2019<= 15.0
trendmicro maximum security 2019<= 15.0
trendmicro officescan cloudall versions
trendmicro premium security 2019<= 15.0
◈

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

7.5
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 NVD24 Sep 2020 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
🔗

References & Sources

4
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-09890Vendor Advisory
https://helpcenter.trendmicro.com/ja-jp/article/TMKA-09673Vendor Advisory
https://jvn.jp/en/jp/JVN60093979/Third Party Advisory
https://jvn.jp/jp/JVN60093979/Third Party Advisory
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