Vulnerabilities

Vulnerability · CVE-2016-4171

Adobe Flash Player Remote Code Execution Vulnerability

Published Jun 15, 2016 · catalog updated Jun 16, 2026 · Adobe Flash Player

Patch now

CVE-2016-4171 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Adobe Flash Player against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Severity
Critical9.8
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
20.05%
Remediation
Remediation guidance
Affected products
cpe adobe/flash player · cpe opensuse/opensuse · cpe redhat/enterprise linux desktop · vendor Adobe Flash Player

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe adobe/flash playerversion unspecified
  • cpe opensuse/opensuse13.1
  • cpe redhat/enterprise linux desktop5.0
  • vendor Adobe Flash Playerversion unspecified

How to fix CVE-2016-4171

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2016-4171 is in the CISA known-exploited catalog, due Apr 15, 2022. Confirm Adobe Flash Player against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with redhat/enterprise linux desktop 5.0. The impacted product is end-of-life and should be disconnected if still in use.

What should an analyst verify?

No weakness class is stored. EPSS 20.05%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 16, 2016 · Catalog

    Detected

    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.

  2. Mar 25, 2022 · CISA KEV

    Known exploited

    The impacted product is end-of-life and should be disconnected if still in use.

  3. Apr 15, 2022 · CISA KEV

    Remediation due

    The impacted product is end-of-life and should be disconnected if still in use.

  4. Jun 16, 2026 · Catalog

    Updated

    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.

Sources

  • CISA KEVConfirmed exploitationCVE-2016-4171

    Unspecified vulnerability in Adobe Flash Player allows for remote code execution.

    cisa.gov
  • CVE.orgVulnerability recordCVE-2016-4171

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2016-4171

    30-day exploitation probability 20.1%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2016-4171

    Unspecified vulnerability in Adobe Flash Player allows for remote code execution.

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.