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CVE-2021-36741

Published: Jul 29, 2021Updated: Oct 31, 2025 Sources: CVE List NVD BDUCWE-434
8.8HIGH
NVD MITRE
EPSS Score
5.0%
Top 8.9%
CISA KEV
Active Exploitation
Since Nov 3, 2021
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-434

Affected Products

Trend Micro
commercial·JPaka trendmicro, tmi
Apex One
Security Products
Worry-Free Business Security
Security Products
officescan
Security Products
officescan business security
Security Products
Trend Micro Apex One
Security Products
Trend Micro OfficeScan
Security Products
Trend Micro Worry-Free Business Security
Security Products
and 2 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Nov 3, 2021
Remediation due:Nov 17, 2021

Required action: Apply updates per vendor instructions.

Official Patch Available
Is your org exposed to CVE-2021-36741?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

3 techniques
Command and Control
Initial Access
Persistence
View detailed technique mapping

References

https://nvd.nist.gov/vuln/detail/CVE-2021-36741
nvd.nist.gov
https://success.trendmicro.com/jp/solution/000287796
success.trendmicro.com
https://success.trendmicro.com/jp/solution/000287815
success.trendmicro.com
and 6 more references View all →
News mentions
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