CVE-2021-36741

HIGH KEV

Trendmicro Officescan - Unrestricted File Upload

Title source: rule

Description

An improper input validation vulnerability in Trend Micro Apex One, Apex One as a Service, OfficeScan XG, and Worry-Free Business Security 10.0 SP1 allows a remote attached to upload arbitrary files on affected installations. Please note: an attacker must first obtain the ability to logon to the product�s management console in order to exploit this vulnerability.

References (5)

[Broken Link, Vendor Advisory] https://success.trendmicro.com/jp/solution/000287796

[Broken Link, Vendor Advisory] https://success.trendmicro.com/jp/solution/000287815

[Broken Link, Vendor Advisory] https://success.trendmicro.com/solution/000287819

[Broken Link, Vendor Advisory] https://success.trendmicro.com/solution/000287820

[US Government Resource] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36741

Scores

CVSS v3 8.8

EPSS 0.0066

EPSS Percentile 71.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CISA KEV 2021-11-03

VulnCheck KEV 2021-08-11

InTheWild.io 2021-07-28

ENISA EUVD EUVD-2021-23331

CWE

CWE-434

Status published

Products (4)

trendmicro/apex_one 2019

trendmicro/officescan xg sp1

trendmicro/officescan_business_security 10.0 sp1

trendmicro/worry-free_business_security 10.0 sp1

Published Jul 29, 2021

KEV Added Nov 03, 2021

Tracked Since Feb 18, 2026