Critical severity · published Mar 18, 2020
CVE-2020-8599
Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability
In wildKEV
9.8
CVSS
11.9%
EPSS
Yes
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)11.9% · higher than 96% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
AO
Apex One · Trend Micro
2019 · source: NVD
TM
Trend Micro OfficeScan, Trend Micro Apex One · Trend Micro
OfficeScan XG (12.0), Apex One 2019 (14.0) · source: vendor
OF
Officescan · Trendmicro
xg; xg · source: NVD
AO
Apex One and OfficeScan · Trend Micro
All versions, or not specified · source: KEV
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-8599
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-8599
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://success.trendmicro.com/solution/000245571
x_refsource_MISC
https://success.trendmicro.com/jp/solution/000244253
More from Apex One
9.8
CVE-2025-54948
Trend Micro Apex One OS Command Injection Vulnerability
9.8
CVE-2022-26871
Trend Micro Apex Central Arbitrary File Upload Vulnerability
8.8
CVE-2021-36741
Trend Micro Multiple Products Improper Input Validation Vulnerability
8.8
CVE-2020-8468
Trend Micro Multiple Products Content Validation Escape Vulnerability
8.8
CVE-2020-8467
Trend Micro Apex One and OfficeScan Remote Code Execution Vulnerability
