CVE-2020-8599: Trend Micro Apex One and OfficeScan Authentication Bypass Vulnerability

CVE-2020-8599 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2021-11-03

Trend Micro Apex One and OfficeScan server contain a vulnerable EXE file that allows a remote, unauthenticated attacker to write arbitrary data to an arbitrary path. This vulnerability can be leveraged to bypass ROOT login and gain unauthorized access to the system.

Technologies: Trend Micro Officescan. Vendors: Trend Micro.

Quick answers

Is CVE-2020-8599 exploited in the wild?
Yes. CVE-2020-8599 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2020-8599?
Critical severity, with a CVSS score of 9.8, published 3 November 2021.
Which products and versions are affected?
Trend Micro Apex One 2019; Trend Micro OfficeScan XG; Trend Micro OfficeScan XG SP1.
Is there a fix for CVE-2020-8599?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2020-8599 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2020-8599?
Check whether you run Trend Micro Officescan. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Affected products

  • Trend Micro Apex One 2019
  • Trend Micro OfficeScan XG
  • Trend Micro OfficeScan XG SP1

Timeline

  • 2020-03-17: disclosed: NVD Published Date
  • 2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
  • 2021-11-03: advisory: Publication date of the provided advisory report

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