SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2020-8468

Trend Micro Multiple Products Content Validation Escape Vulnerability

KEVHIGH 8.8EPSS 6.17%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
6.17% probability · 93th percentile
Public exploits
None in Exploit-DB
CISA KEV
Listed 3 November 2021 · due 3 May 2022
Weakness
CWE-74
Affected
trendmicro/apex one · trendmicro/officescan · trendmicro/worry-free business security
Source
security@trendmicro.com
EPSS trend
0%5%10%30 October 2026: 6.17%30 October 202630 October 2026

EPSS 6.2% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2020-8468

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.