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IMMUNITYSEC

CVE-2020-8599

9.8
CRITICAL
CVSS 3.1
EPSS 11.9% · 96th pctCISA KEV · Exploited in the wild
2020-03-18•Updated 2025-10-21•KEV 2021-11-03
CISA Known Exploited Vulnerabilities

Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV
2021-11-03
Remediation due
2022-05-03

Required action
Apply updates per vendor instructions.

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

Description

Trend Micro Apex One (2019) and OfficeScan XG server contain a vulnerable EXE file that could allow a remote attacker to write arbitrary data to an arbitrary path on affected installations and bypass ROOT login. Authentication is not required to exploit this vulnerability.

Severity

CVSS 3.1 · CISA9.8 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC · CISA-ADP
Exploitationactive
Automatableyes
Technical impacttotal

Affected Products

VendorProductAffected versions
Trend MicroTrend Micro OfficeScan, Trend Micro Apex One
OfficeScan XG (12.0), Apex One 2019 (14.0)

References

2 Links

Record Details

Published
2020-03-18
Last updated
2025-10-21
Assigner (CNA)
trendmicro
Credited to
-

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.