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CVE-2021-36742: Trend Micro Multiple Products Improper Input Validation Vulnerability

criticalknown exploitedCVE-2021-36742
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security contain an improper input validation vulnerability that allows for privilege escalation.

CSIRTS triage

vendor: Trend Microproduct: Apex One, Apex One as a Service, Worry-Free Business SecurityPrivilege escalation
What
An improper input validation vulnerability allows for privilege escalation in multiple Trend Micro products.
Who is affected
Users of Trend Micro Apex One, Apex One as a Service, and Worry-Free Business Security are affected.
Urgency
Immediate remediation is necessary due to active exploitation and critical severity.
Action
Apply the latest updates for the affected Trend Micro products.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2021-11-03
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2021-36742

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2021-36742coverage & exploitation statusNVD · CVE.org

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