CVE DATABASE / CVE-2016-4171
CVE-2016-4171
Adobe Flash Player Remote Code Execution Vulnerability
CVSS 9.8 · CRITICAL
⚠ CISA KEV — ACTIVELY EXPLOITED
On the CISA KEV catalog
Confirmed exploited in the wild. Added 2022-03-25.
Federal remediation due 2022-04-15.
Required action: The impacted product is end-of-life and should be disconnected if still in use.
Summary
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.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Affected products
Adobe flash playerLinux linux kernelApple mac os xApple macosMicrosoft windowsGoogle chrome osMicrosoft windows 8.1Microsoft windows 10Redhat enterprise linux desktopRedhat enterprise linux serverRedhat enterprise linux workstationOpensuse opensuseSuse linux enterprise desktopSuse linux enterprise workstation extension
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References
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00031.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00035.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00038.html
- http://www.securityfocus.com/bid/91184
- http://www.securitytracker.com/id/1036094
- https://access.redhat.com/errata/RHSA-2016:1238
- https://helpx.adobe.com/security/products/flash-player/apsa16-03.html
- https://helpx.adobe.com/security/products/flash-player/apsb16-18.html
- https://security.gentoo.org/glsa/201606-08
- https://www.kb.cert.org/vuls/id/748992
- https://github.com/cisagov/vulnrichment/issues/196
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4171
Data: NIST NVD + CISA KEV. NVD last modified 2026-04-21. Always verify against the vendor advisory before acting.