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

> CVE-2022-40139: Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability. CVSS 7.2 (CVSS 3.1), in CISA KEV.

Canonical: https://rewindex.com/cve/CVE-2022-40139
Last updated: 2025-10-21T23:15:35Z

- Published: 2022-09-19 18:01 UTC · Updated: 2025-10-21 23:15 UTC · Assigner: trendmicro
- CVSS: 7.2 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS: 3.3%, 88th percentile (scored 2026-10-25)
- CISA KEV: yes, added 2022-09-15, federal due date 2022-10-06, ransomware use: Unknown

## 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.

## CISA required action

Apply updates per vendor instructions.

## Affected vendors and products

- Trend Micro: Trend Micro Apex One

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2022-40139)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2022-40139)
- [https://success.trendmicro.com/solution/000291528](https://success.trendmicro.com/solution/000291528)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2022-40139 · Markdown: https://rewindex.com/cve/CVE-2022-40139.md · JSON: https://rewindex.com/api/v1/cves/CVE-2022-40139 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T04:06:17.979Z