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Intelligence for Africa and the Gulf

AEGLIX vulnerability intelligence

CVE-2021-36742

HIGH · CVSS 7.8 · Analyzed

Published: 2021-07-29 · Updated: 2026-06-17 · Source: NVD

Vulnerability overview

A 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 local attacker to escalate privileges on affected installations. Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

Severity and scoring

CVSS score
7.8 · HIGH
CVSS version
3.1
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-20

CVSS measures technical severity; it does not establish whether this vulnerability is being exploited in your environment.

Known exploitation and remediation

Listed in CISA’s Known Exploited Vulnerabilities catalog.

Affected product
Trend Micro · Apex One, Apex One as a Service, and Worry-Free Business Security
Added to catalog
2021-11-03
Required action
Apply updates per vendor instructions.
CISA remediation due date
2021-11-17

CISA deadlines apply to the organizations covered by its directives. Confirm your own remediation requirements.

Verify affected versions and patch availability in the vendor advisory before making changes.

Affected products and versions

  • cpe:2.3:a:trendmicro:officescan:xg:sp1:*:*:*:*:*:*

  • cpe:2.3:a:trendmicro:officescan_business_security:10.0:sp1:*:*:*:*:*:*

  • cpe:2.3:a:trendmicro:apex_one:2019:*:*:*:*:*:*:*

  • cpe:2.3:a:trendmicro:worry-free_business_security:10.0:sp1:*:*:*:*:*:*

These are NVD CPE applicability entries. Some products depend on configuration conditions; consult the official record to confirm applicability.

Advisories and references

Explore official sources

Read the official NVD record ↗

Explore the CISA catalog ↗

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