PULSE
LIVE19signals / 24h
FEED
ransomqilin reclama a Cafar · AR · Agriculture and Food Productionransominterlock reclama a Centre for Newcomers · CA · Public Sectorransominterlock reclama a Paragon Store Fixtures · US · Manufacturingransomakira reclama a Westcoast Communication Services · Telecommunicationransomakira reclama a Nesco Bus Maintenance · Transportation/Logisticsransomm3rx reclama a suppcentersa.com · ZA · Business Servicesransomm3rx reclama a arambol.co.uk · GB · Not Foundransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcareransomqilin reclama a Cafar · AR · Agriculture and Food Productionransominterlock reclama a Centre for Newcomers · CA · Public Sectorransominterlock reclama a Paragon Store Fixtures · US · Manufacturingransomakira reclama a Westcoast Communication Services · Telecommunicationransomakira reclama a Nesco Bus Maintenance · Transportation/Logisticsransomm3rx reclama a suppcentersa.com · ZA · Business Servicesransomm3rx reclama a arambol.co.uk · GB · Not Foundransomincransom reclama a Kyokuto Kaihatsu Kogyo · JP · Manufacturingransomnova reclama a Phi · Not Foundransomnova reclama a Digipro · Technologyransomnova reclama a Integrated Marketing Services · Business Servicesransomkrybit reclama a eitzchaim.com · IL · Not Foundransomkrybit reclama a formasuniversales.com · MX · Business Servicesransomkrybit reclama a rehabmalaysia.com · MY · Healthcare
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CVE Watch

CVE-2021-36741

Trend Micro Multiple Products Improper Input Validation Vulnerability

CVSS

No CVSS

EPSS

5.0%

p91

KEV

YES

Nov 3, 2021

Exploit Today

77

0-100

Published: · Last modified:

EPSS · 30d
5.0%EPSS · 30 days5.0%
2026-06-302026-07-17
KEV catalog record

Product

Trend Micro / Apex One, Apex One as a Service, and Worry-Free Business Security

Vulnerability

Trend Micro Multiple Products Improper Input Validation Vulnerability

Added to KEV

Nov 3, 2021

Remediate by

Nov 17, 2021

Known ransomware use

No

Summary description

Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows a remote attacker to upload files.

Required action

Apply updates per vendor instructions.

Notes

https://success.trendmicro.com/dcx/s/solution/000287819?language=en_US, https://success.trendmicro.com/dcx/s/solution/000287820?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2021-36741

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