netVigilance Vulnerability intelligence since 2004
CVE-2020-24557 · netVigilance record NV21-0133

Trend Micro Multiple Products Improper Access Control

past due

What to do

Apply updates per vendor instructions.

CISA deadline 2022-05-03 · passed 4 years 4 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA

What happened

Trend Micro Apex One, OfficeScan, and Worry-Free Business Security on Microsoft Windows contain an improper access control vulnerability that may allow an attacker to manipulate a particular product folder to disable the security temporarily, abuse a specific Windows function, and attain privilege escalation.

Who is affected

Trend Micro Apex One, OfficeScan, and Worry-Free Business Security. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.

Timeline

  1. Added to CISA KEVExploitation in the wild confirmed by CISA
  2. CISA remediation deadlinepassed 4 years 4 months ago

Sources