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Vulnerabilities

Vulnerability · CVE-2022-40139

Trend Micro Apex One and Apex One as a Service Improper Validation Vulnerability

Published Sep 13, 2022 · catalog updated Jun 16, 2026 · Trend Micro Apex One and Apex One as a Service

Patch now

CVE-2022-40139 is in the CISA known-exploited catalog, due Oct 6, 2022. Confirm Trend Micro Apex One and Apex One as a Service against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
Severity
High7.2
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
3.29%
Remediation
Remediation guidance
Affected products
cpe trendmicro/apex one · vendor Trend Micro Apex One and Apex One as a Service

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe trendmicro/apex one2019
  • vendor Trend Micro Apex One and Apex One as a Serviceversion unspecified

How to fix CVE-2022-40139

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2022-40139 is in the CISA known-exploited catalog, due Oct 6, 2022. Confirm Trend Micro Apex One and Apex One as a Service against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with trendmicro/apex one 2019. Apply updates per vendor instructions.

What should an analyst verify?

CWE-353; CWE-641. EPSS 3.29%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 15, 2022 · Catalog

    Detected

    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

  2. Sep 15, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Oct 6, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jun 16, 2026 · Catalog

    Updated

    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

Sources

  • CISA KEVConfirmed exploitationCVE-2022-40139

    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.gov
  • CVE.orgVulnerability recordCVE-2022-40139

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-40139

    30-day exploitation probability 3.3%

    first.org
  • NIST NVDVulnerability recordCVE-2022-40139

    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 rem

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2022-40139

    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.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.