CVEs / CVE-2022-40139

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

Known exploited in the CISA KEV catalog since 15 Sep 2022
high 7.2 CVSS 3.1 (NVD)
EPSS 3.43% chance of exploitation in the next 30 days, higher than 88% of CVEs (30 Oct 2026)
Last changed at its sources 17 Jun 2026

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Summary

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.
CISA, Known Exploited Vulnerabilities catalog

Description

Improper validation of some components used by the rollback mechanism in Trend Micro Apex One and Trend Micro Apex One as a Service clients could allow a Apex One server administrator to instruct affected clients to download an unverified rollback package, which could lead to remote code execution. Please note: an attacker must first obtain Apex One server administration console access in order to exploit this vulnerability.
The CVE record, via NVD · published 19 Sep 2022 · NVD status: Analyzed

Affected and fixed versions

As stated by the CVE record (from the CNA)
Product	Affected	Fixed in
Trend Micro Trend Micro Apex One	2019 (on-prem) and SaaS	—

Exploitation

In CISA KEV since	15 Sep 2022
Due date for US federal agencies	6 Oct 2022
Used in ransomware campaigns	Unknown
Required action	Apply updates per vendor instructions.

Severity

CVSS 3.1	7.2 high `CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H` Scored by NVD

References

CVE-2022-40139 on NVD
CVE-2022-40139 in the CISA KEV catalog
https://success.trendmicro.com/dcx/s/solution/000291528?language=en_US (cited by CISA)
https://success.trendmicro.com/solution/000291528 Patch, Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-40139 US Government Resource

Sources

Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.

This product uses data from the NVD API but is not endorsed or certified by the NVD.