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PatchSiren cyber security CVE debrief

CVE-2016-4117 Adobe CVE debrief

CVE-2016-4117 is an Adobe Flash Player arbitrary code execution vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. CISA’s guidance for the impacted product is explicit: Flash Player is end-of-life and should be disconnected if still in use. CISA added the entry on 2022-03-03 and set a remediation due date of 2022-03-24.

Vendor
Adobe
Product
Flash Player
CVSS
CRITICAL 9.8
CISA KEV
Listed
Original CVE published
2022-03-03
Original CVE updated
2022-03-03
Advisory published
2022-03-03
Advisory updated
2022-03-03

Who should care

Security teams, endpoint administrators, application owners, and IT asset managers who still have any legacy Adobe Flash Player dependency in their environment.

Technical summary

The official records identify this as an Adobe Flash Player arbitrary code execution vulnerability. The most important defensive detail in the supplied corpus is that CISA includes it in KEV, indicating known exploitation, and notes that Flash Player is end-of-life. The recommended response is to identify any remaining exposure and disconnect impacted systems rather than rely on normal patch management.

Defensive priority

High — urgent for any environment that still has Flash Player present, because the product is end-of-life and the vulnerability is listed in CISA KEV.

Recommended defensive actions

  • Inventory endpoints, browsers, and applications for any remaining Adobe Flash Player installations or dependencies.
  • Disconnect or isolate impacted systems if Flash Player is still present, per CISA guidance for this end-of-life product.
  • Remove or retire any business process that still depends on Flash Player and replace it with a supported alternative.
  • Verify that security tooling and asset management records no longer report Flash Player in the environment.
  • Prioritize any exposed legacy system for immediate containment and remediation planning.

Evidence notes

This debrief is based only on the supplied CISA KEV source item and official CVE/NVD record links. The corpus identifies CVE-2016-4117 as an Adobe Flash Player arbitrary code execution vulnerability and marks it as a known exploited vulnerability. CISA’s source note states that the impacted product is end-of-life and should be disconnected if still in use. Timeline fields supplied with the source indicate KEV publication on 2022-03-03 and a due date of 2022-03-24; these dates are used only as catalog/remediation context, not as the original issue date.

Sources and references

Verified primary and authoritative sources

  • CVE-2016-4117 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2016-4117

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

  • CVE-2016-4117 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2016-4117

    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.