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PatchSiren cyber security CVE debrief

CVE-2015-0311 Adobe CVE debrief

CVE-2015-0311 is listed by CISA as a Known Exploited Vulnerability affecting Adobe Flash Player. The supplied CISA guidance treats the product as end-of-life and says it should be disconnected if it is still in use. For defenders, this is not a routine patch-and-move-on issue: remaining Flash Player exposure should be treated as a legacy software removal or isolation task.

Vendor
Adobe
Product
Flash Player
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-04-13
Original CVE updated
2022-04-13
Advisory published
2022-04-13
Advisory updated
2022-04-13

Who should care

Security, IT, and endpoint management teams responsible for any environment that may still have Adobe Flash Player installed or reachable, especially legacy systems and archived browser configurations.

Technical summary

The supplied sources identify CVE-2015-0311 as an Adobe Flash Player remote code execution issue and place it in CISA’s Known Exploited Vulnerabilities catalog. Because the affected product is end-of-life, the defensive path in the official guidance is to disconnect or remove the product if it remains present, rather than rely on normal patch management.

Defensive priority

Critical

Recommended defensive actions

  • Inventory all systems for any remaining Adobe Flash Player installations or dependencies.
  • Remove Flash Player where possible; if removal is not immediately possible, disconnect or isolate the affected system as CISA advises for this end-of-life product.
  • Prioritize remediation for any internet-facing or user-reachable endpoints that still expose Flash-related components.
  • Confirm browsers, plugins, and legacy application paths no longer depend on Flash Player.
  • Track this CVE as a KEV item and ensure it is closed out in vulnerability management reporting.

Evidence notes

CISA’s KEV entry for CVE-2015-0311 names Adobe Flash Player as the impacted product, lists the vulnerability as a remote code execution issue, and sets the required action to disconnect the end-of-life product if still in use. The supplied timeline shows the KEV entry date as 2022-04-13 and due date as 2022-05-04. Official CVE and NVD reference links are provided in the corpus for corroboration.

Sources and references

Verified primary and authoritative sources

  • CVE-2015-0311 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2015-0311

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

  • CVE-2015-0311 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2015-0311

    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.