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PatchSiren cyber security CVE debrief

CVE-2020-4006 VMware CVE debrief

CVE-2020-4006 is a command injection vulnerability affecting multiple VMware products and is listed in CISA’s Known Exploited Vulnerabilities catalog, which makes it a clear defensive priority for organizations running VMware software. The official KEV entry directs defenders to apply updates per vendor instructions. Because the source corpus does not provide affected versions or product-specific details, remediation should be guided by VMware’s official guidance and validated against your asset inventory.

Vendor
VMware
Product
Multiple Products
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

VMware administrators, virtualization platform owners, infrastructure and security teams responsible for patching and exposure management, and incident responders triaging internet-facing or high-value VMware systems.

Technical summary

Official metadata identifies CVE-2020-4006 as a command injection issue in multiple VMware products. CISA has categorized it as a known exploited vulnerability and lists the required action as applying updates per vendor instructions. The provided sources do not include affected versions, exploit details, or product-specific technical conditions.

Defensive priority

High. The vulnerability is included in CISA’s Known Exploited Vulnerabilities catalog, indicating confirmed exploitation risk and the need for prompt remediation.

Recommended defensive actions

  • Apply VMware updates and follow vendor remediation instructions for all affected products.
  • Inventory VMware products in your environment to identify any exposed or vulnerable systems.
  • Prioritize remediation for internet-facing, externally reachable, or business-critical VMware systems.
  • Verify patching or mitigation through configuration review and post-update validation.
  • Monitor VMware, CISA KEV, and NVD resources for any updated guidance or clarifications.

Evidence notes

This debrief is based only on the supplied official metadata: CVE.org, NVD, and CISA KEV. The CVE was published and modified on 2021-11-03 in the provided timeline. CISA’s KEV entry names the issue as a VMware Multiple Products command injection vulnerability, lists dateAdded as 2021-11-03, dueDate as 2022-05-03, and requiredAction as applying updates per vendor instructions. No affected version list or exploit narrative was provided in the source corpus.

Sources and references

Verified primary and authoritative sources

  • CVE-2020-4006 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2020-4006

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

  • CVE-2020-4006 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2020-4006

    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.