Snapshot of public data from 31 Oct 2026, 12:50:06. This data is not updated until the API is deployed.

Back to the watch

CVE-2021-36741

Trend Micro Multiple Products Improper Input Validation Vulnerability

Watch priority : UrgentCVSS 8.8 v3.1Exploited

Why this priority

?

Generic watch priority computed by public, versioned rules. It does not know your assets. See the glossary

  • Présent dans le catalogue CISA KEV (exploitation confirmée)

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.

Affected products

VendorProductVersions
Trend MicroApex One, Apex One as a Service, and Worry-Free Business SecurityAll versions
Trend MicroTrend Micro Apex One
  • 2019, SaaS
Trend MicroTrend Micro OfficeScan
  • XG SP1
Trend MicroTrend Micro Worry-Free Business Security
  • 10.0 SP1

Revision history

  1. Revision 3

  2. Revision 2

    Update : Affected versions changed

  3. Revision 1

    New record

Qualification

CVSS severity
?

Technical severity score between 0 and 10, with its version (3.1, 4.0). See the glossary

8.8 HIGH CVSS v3.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
KEV catalog
?

CISA catalog of vulnerabilities with confirmed exploitation. Absence from the catalog does not prove absence of exploitation. See the glossary

Listed
Exploitation
Confirmed
EPSS probability
?

Probability, between 0 and 1, that a vulnerability is exploited in the next 30 days, published daily by FIRST. Always dated. See the glossary

Unknown
Confidence
?

Quality of the sources behind the record. It is not a risk score. See the glossary

High

Priority rules, version 1

CISA KEV catalog

Added on
3 November 2021
Federal due date
17 November 2021
Required action
Apply updates per vendor instructions.
Ransomware use
Unknown

Record

Published on
29 July 2021
Weaknesses (CWE)
CWE-22, CWE-434

Sources

References

CVE-2021-36741 Trend Micro Multiple Products Improper Input Validation Vulnerability · Avanguard TACTIC