CVE-2021-36741 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03
An improper input validation vulnerability in multiple Trend Micro endpoint security products allows a remote attacker with management console access to upload arbitrary files. This vulnerability affects Apex One, Apex One as a Service, OfficeScan XG, and Worry-Free Business Security 10.0 SP1.
Quick answers
Is CVE-2021-36741 exploited in the wild?
Yes. CVE-2021-36741 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-36741?
Critical severity, with a CVSS score of 8.8, published 3 November 2021.
Which products and versions are affected?
Trend Micro Apex One; Trend Micro Apex One as a Service; Trend Micro OfficeScan XG; Trend Micro Worry-Free Business Security 10.0 SP1.
Is there a fix for CVE-2021-36741?
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-2021-36741 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2021-36741?
Check whether anything you run is named in the advisory. 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
Trend Micro Apex One as a Service
Trend Micro OfficeScan XG
Trend Micro Worry-Free Business Security 10.0 SP1
Timeline
2021-11-03: disclosed
2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2021-11-03: exploited: Reported as exploited in the wild.