CVE-2021-36742 · Severity: critical · CVSS 7.8 · Exploited in the wild · Published 2021-11-03
An improper input validation vulnerability in multiple Trend Micro security products allows a local attacker to escalate privileges. To exploit this, an attacker must already have the ability to execute low-privileged code on the target system.
Quick answers
Is CVE-2021-36742 exploited in the wild?
Yes. CVE-2021-36742 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.
How severe is CVE-2021-36742?
Critical severity, with a CVSS score of 7.8, published 3 November 2021.
Which products and versions are affected?
Trend Micro Apex One 2019; Trend Micro Apex One as a Service; Trend Micro OfficeScan XG SP1; Trend Micro Worry-Free Business Security 10.0 SP1.
Is there a fix for CVE-2021-36742?
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-2021-36742 attacked?
It is attacked with local access, in a network appliance.
Am I affected by CVE-2021-36742?
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 2019
Trend Micro Apex One as a Service
Trend Micro OfficeScan XG SP1
Trend Micro Worry-Free Business Security 10.0 SP1
Timeline
2021-07-29: disclosed: NVD Published Date
2021-11-03: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
2021-11-03: exploited: Reported as exploited in the wild in CISA KEV catalog