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PatchSiren cyber security CVE debrief

CVE-2022-40139 Trend Micro CVE debrief

CVE-2022-40139 is a Trend Micro Apex One and Apex One as a Service improper validation vulnerability. CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-15, which means defenders should treat it as a high-priority issue and follow vendor remediation guidance promptly.

Vendor
Trend Micro
Product
Apex One and Apex One as a Service
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-09-15
Original CVE updated
2022-09-15
Advisory published
2022-09-15
Advisory updated
2022-09-15

Who should care

Security teams and administrators responsible for Trend Micro Apex One and Apex One as a Service deployments, especially organizations that rely on these platforms for endpoint protection and patch management.

Technical summary

The published description identifies the issue as an improper validation vulnerability in Trend Micro Apex One and Apex One as a Service. The supplied official sources do not provide deeper technical detail in this corpus, but the CISA KEV listing confirms it is known to be exploited and directs organizations to apply vendor updates.

Defensive priority

Urgent. Because CISA included the CVE in the Known Exploited Vulnerabilities catalog, exposed systems should be reviewed and remediated as soon as possible according to Trend Micro instructions.

Recommended defensive actions

  • Apply updates per Trend Micro vendor instructions.
  • Verify whether Apex One or Apex One as a Service instances are deployed in your environment.
  • Confirm patch status and remediation completion across all affected systems.
  • Monitor vendor and CISA guidance for any follow-up remediation notes.

Evidence notes

Evidence is limited to the supplied official sources: the CVE record, NVD, and CISA KEV entry referenced in the source corpus. The corpus confirms the product, vulnerability category, and KEV status, but does not include exploit mechanics, affected versions, or CVSS data.

Sources and references

Verified primary and authoritative sources

  • CVE-2022-40139 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2022-40139

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2022-40139 NVD vulnerability detail

    Publisher, destination, and source semantics verified

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

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.