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CVE-2022-40139: Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability

criticalknown exploitedCVE-2022-40139
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 and Apex One as a Service contain an improper validation of rollback mechanism components that could lead to remote code execution.

CSIRTS triage

vendor: Trend Microproduct: Apex OneRemote code execution
What
Trend Micro Apex One and Apex One as a Service contain an improper validation of rollback mechanism components that could lead to remote code execution.
Who is affected
Deployments of Trend Micro Apex One and Apex One as a Service are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates for Apex One.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-09-15
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2022-40139

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-2022-40139coverage & exploitation statusNVD · CVE.org

Recent advisories for Trend Micro Apex

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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