CVE-2020-8599 Trend Micro Apex One and OfficeScan Authentication Bypass
Remote attackers can write arbitrary data to arbitrary paths and bypass root login in Trend Micro Apex One and OfficeScan XG servers without authentication.
- Exploited in the wild
- Since 3 Nov 2021
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-8599?
CVE-2020-8599 is a critical path traversal vulnerability in Trendmicro Apex One, published on 18 Mar 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2020-8599?
It affects 2 products.
Products include Trendmicro Apex One, Trendmicro Officescan.
How do I fix CVE-2020-8599?
No fix has been published for CVE-2020-8599 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 3 May 2022.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2020-8599 being exploited?
Yes. Attackers have exploited CVE-2020-8599 in the wild since at least 3 Nov 2021.
Other vulnerabilities in Trendmicro Apex One
- CVE-2025-54948 Trend Micro Apex One OS Command Injection
- CVE-2021-36741 Trend Micro Multiple Products Improper Input Validation
- CVE-2020-8467 Trend Micro Apex One and OfficeScan Remote Code Execution
- CVE-2020-8468 Trend Micro Multiple Products Content Validation Escape
- CVE-2021-36742 Trend Micro Multiple Products Improper Input Validation
Sources
Also known as GHSA-r3h3-2xcv-m95h.