CVE-2020-8468
Published: November 3, 2021
Official Description
Trend Micro Apex One, OfficeScan, and Worry-Free Business Security agents contain a content validation escape vulnerability that could allow an attacker to manipulate certain agent client components.
CISA KEV Advisory
Trend Micro Multiple Products Content Validation Escape Vulnerability
Trend Micro Apex One, OfficeScan, and Worry-Free Business Security agents contain a content validation escape vulnerability that could allow an attacker to manipulate certain agent client components.
Apply updates per vendor instructions.
Risk Analysis
A content validation escape vulnerability in Trend Micro Apex One, OfficeScan, and Worry-Free Business Security agents allows an attacker to manipulate certain agent client components. The high EPSS score and confirmed exploitation indicate this is an actively exploited vulnerability that could compromise endpoint security.
This vulnerability is actively exploited in the wild and is included in CISA's KEV catalog. The ability to manipulate agent components suggests a significant impact on endpoint integrity.
Apply the latest security updates for Trend Micro Apex One, OfficeScan, and Worry-Free Business Security agents. Ensure proper configuration of content validation and regularly monitor agent integrity.
Technical Analysis
CVE-2020-8468 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2020-8468 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-8468 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1