CVE-2016-4171
Published: March 25, 2022
Official Description
Unspecified vulnerability in Adobe Flash Player allows for remote code execution.
CISA KEV Advisory
Adobe Flash Player Remote Code Execution Vulnerability
Unspecified vulnerability in Adobe Flash Player allows for remote code execution.
The impacted product is end-of-life and should be disconnected if still in use.
Risk Analysis
This unspecified vulnerability in Adobe Flash Player enables remote code execution, posing a significant risk to systems with Flash installed. With a high EPSS score of 0.50544 and its inclusion in CISA's KEV, this flaw is highly likely to be exploited and requires immediate attention.
This vulnerability is actively exploited in the wild and is listed in CISA's Known Exploited Vulnerabilities catalog. It is remotely exploitable.
Uninstall Adobe Flash Player if it is no longer required, or update it to the latest secure version. Consider disabling Flash content in web browsers as a general security hardening measure.
Technical Analysis
CVE-2016-4171 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CISA has added CVE-2016-4171 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.
Affected Vendors & Products
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-4171 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
- !CISA KEV: Federal agencies must patch per BOD 22-01 timeline
- !Active exploitation confirmed — treat as P1