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PatchSiren cyber security CVE debrief

CVE-2020-8467 Trend Micro CVE debrief

CVE-2020-8467 is listed by CISA as a known exploited vulnerability affecting Trend Micro Apex One and OfficeScan. The supplied source corpus identifies the issue as a remote code execution vulnerability and directs defenders to apply updates per vendor instructions. Because CISA added it to the KEV catalog, organizations running these products should treat exposure as high priority.

Vendor
Trend Micro
Product
Apex One and OfficeScan
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Security teams and administrators responsible for Trend Micro Apex One and OfficeScan deployments, especially any environment that may still be reachable or unpatched.

Technical summary

The supplied official sources describe CVE-2020-8467 as a remote code execution vulnerability in Trend Micro Apex One and OfficeScan. The CISA KEV entry provides no deeper technical breakdown in the supplied corpus, but it does identify the issue as known exploited and instructs organizations to apply vendor updates.

Defensive priority

High. CISA included this CVE in the Known Exploited Vulnerabilities catalog on 2021-11-03, which indicates active exploitation concerns and a need for prompt remediation.

Recommended defensive actions

  • Inventory all Trend Micro Apex One and OfficeScan installations.
  • Apply vendor updates per Trend Micro instructions.
  • Verify that remediation completed successfully across all affected systems.
  • Prioritize any internet-facing or otherwise high-value deployments.
  • Continue monitoring vendor advisories and security logs for any signs of compromise or failed patching.

Evidence notes

This debrief is based only on the supplied official sources: the CISA KEV record and the linked official CVE/NVD references. The corpus confirms the product, vulnerability class (remote code execution), KEV status, and the required defensive action to apply vendor updates. No additional exploit details are included here because they are not present in the supplied source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-8467 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-8467

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

  • CVE-2020-8467 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-8467

    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.