How severe is CVE-2022-40139?

CVE-2022-40139 has a CVSS 3.1 base score of 7.2 (HIGH). EPSS estimates a 3.3% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

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

CISA Known Exploited Vulnerabilities

Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2022-09-15

Remediation due

2022-10-06

Required action
Apply updates per vendor instructions.

CISA notes
https://success.trendmicro.com/dcx/s/solution/000291528?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2022-40139

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.

Severity

CVSS 3.1 · CISA7.2 HIGH

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Trend Micro	Trend Micro Apex One	2019 (on-prem) and SaaS

References

1 Links

Other references

https://success.trendmicro.com/solution/000291528

Record Details

Published

2022-09-19

Last updated

2025-10-21

Assigner (CNA)

trendmicro

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.