CVE-2020-8599

Trend Micro Apex One and OfficeScan — Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability
🔥 CVSS 3.1  9.8 / 10 — CRITICAL 🔴 CISA Known Exploited Vulnerability

Overview

Trend Micro Apex One and OfficeScan server contain a vulnerable EXE file that could allow a remote attacker to write data to a path on affected installations and bypass root login.

https://nvd.nist.gov/vuln/detail/CVE-2020-8599

Key Details

PropertyValue
CVE ID CVE-2020-8599
Vendor / Product Trend Micro — Apex One and OfficeScan
NVD Published2020-03-18
NVD Last Modified2025-10-31
CVSS 3.1 Score9.8
CVSS 3.1 VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SeverityCRITICAL
CISA KEV Added2021-11-03
CISA KEV Deadline2022-05-03
Known Ransomware Use No

CVSS 3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Required Action

CISA BOD 22-01 Deadline: 2022-05-03. Apply updates per vendor instructions.

Timeline

DateEvent
2021-11-03Added to CISA Known Exploited Vulnerabilities catalog
2022-05-03CISA BOD 22-01 remediation deadline

References

ResourceType
NVD — CVE-2020-8599 Vulnerability Database
CISA KEV Catalog Entry US Government