# CVE-2016-4171

Unspecified vulnerability in Adobe Flash Player 21.0.0.242 and earlier allows remote attackers to execute arbitrary code via unknown vectors, as exploited in the wild in June 2016.

- Page: https://www.vulneraibility.com/cve/CVE-2016-4171
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-03-25; CISA due date 2022-04-15
- EPSS: 20.05% (percentile 97.5)
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-11-17)
- Published: 2016-06-16

## Affected

- adobe:flash_player
- redhat:enterprise_linux_desktop
- redhat:enterprise_linux_server
- redhat:enterprise_linux_workstation
- opensuse:opensuse
- suse:linux_enterprise_desktop
- suse:linux_enterprise_workstation_extension

## References

- [advisory] https://security.gentoo.org/glsa/201606-08
- [other] https://helpx.adobe.com/security/products/flash-player/apsa16-03.html
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00038.html
- [advisory] https://www.kb.cert.org/vuls/id/748992
- [advisory] https://access.redhat.com/errata/RHSA-2016:1238
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00035.html
- [other] http://www.securitytracker.com/id/1036094
- [advisory] http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00031.html
- [other] http://www.securityfocus.com/bid/91184
- [other] https://helpx.adobe.com/security/products/flash-player/apsb16-18.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4171
- [other] https://github.com/cisagov/vulnrichment/issues/196

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.