CVE-2020-8468: Trend Micro Multiple Products Content Validation Escape Vulnerability

Vulnerability summary

CVE-2020-8468 is a high (CVSS 8.8) Injection vulnerability in Trend Micro Apex One, OfficeScan and Worry-Free Business Security Agents. It is known to be exploited: CISA lists it, first on 03-11-2021. EPSS estimates a 6.17% chance of exploitation in the next 30 days, higher than 93.4% of scored vulnerabilities.

Timeline

1. 18-03-2020
   PublishedVulnerability first disclosed.
2. 03-11-2021
   Added to CISA KEVTrend Micro Multiple Products Content Validation Escape Vulnerability
3. 03-05-2022
   CISA remediation dueApply updates per vendor instructions.
4. 21-10-2025
   Last modifiedVulnerability information updated.

Description

Trend Micro Apex One (2019), OfficeScan XG and Worry-Free Business Security (9.0, 9.5, 10.0) agents are affected by a content validation escape vulnerability which could allow an attacker to manipulate certain agent client components. An attempted attack requires user authentication.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.