CVE intelligence and bounded remediation

CVE-2023-30902 — Trendmicro Apex One security vulnerability

Medium CVSS 5.5

A privilege escalation vulnerability in the Trend Micro Apex One and Apex One as a Service agent could allow a local attacker to unintentionally delete privileged Trend Micro registry keys including its own protected registry keys on affected installations.

Severity
Medium
CVSS
5.5 (3.1)
Published
2023-06-26
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-276

Affected products

  • trendmicro / apex_one
  • trendmicro / apex_one / 2019

Matched remediation archetype

Privilege escalation and unsafe privilege management

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Check exposure

  • Map service accounts, operating-system identities, roles, capabilities, impersonation, set-user transitions, and administrative helper paths.
  • Determine whether untrusted users or lower-privilege processes can reach the affected transition or modify inputs it trusts.
  • Review file, socket, registry, device, job, container, and cloud-role permissions used before and after privilege changes.

Remediate safely

  • Apply the supported fix and redesign privileged operations as a minimal, authenticated, allowlisted interface.
  • Drop privileges before processing untrusted input, verify the drop succeeds, and remove unnecessary roles, capabilities, and write permissions.
  • Validate ownership and permissions at time of use and add explicit lower-to-higher privilege boundary tests.

Authoritative sources

Complete CVE record and remediation plan

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