Horizon Alert
Summary of the vulnerability and why it matters
Trend Micro Apex One, OfficeScan, and Worry-Free Business Security agents are susceptible to a flaw that allows for manipulation of client components. This vulnerability requires an authenticated user to exploit. Its impact can include unauthorized modification of agent functions.
- Vulnerable Trend Micro agents
- Content validation weakness
- Unauthorized component manipulation
Attack Path
How an attacker could exploit the issue
This vulnerability could allow an attacker to manipulate components of affected Trend Micro agent software. An attacker would need to authenticate to the system to initiate an attack. Successful exploitation could lead to unauthorized control over the agent's functions.
- Requires authenticated user access.
- Attacker manipulates agent components.
- Attacker gains system control.
Live Threat
Current exploitation, exposure, and threat context
The identified vulnerability presents a significant risk to organizations utilizing affected Trend Micro products. An authenticated attacker could exploit this flaw to manipulate agent components. This manipulation could lead to a compromise of data confidentiality, integrity, and availability. The ease of exploit and potential for widespread damage necessitates prompt attention.
- Likely attacker skill level: Moderate
- Required access or conditions: User authentication required
- Business risk or urgency: High
Priority actions
Operational Fix
Recommended remediation, mitigation, and detection steps
A content validation escape vulnerability has been identified in specific Trend Micro agent components. This vulnerability could permit an authenticated attacker to manipulate certain agent client components. The identified Trend Micro products include Apex One (2019), OfficeScan XG, and Worry-Free Business Security (versions 9.0, 9.5, and 10.0). Organizations utilizing these products should take immediate action to mitigate potential business risks.
- Identify all instances of affected Trend Micro agents.
- Isolate or reduce exposure of affected systems.
- Apply vendor updates, verify the fix, and monitor.
