CVE-2016-3718
Published: November 3, 2021
Official Description
ImageMagick contains an unspecified vulnerability that allows attackers to perform server-side request forgery (SSRF) via a crafted image.
CISA KEV Advisory
ImageMagick Server-Side Request Forgery (SSRF) Vulnerability
ImageMagick contains an unspecified vulnerability that allows attackers to perform server-side request forgery (SSRF) via a crafted image.
Apply updates per vendor instructions.
Risk Analysis
ImageMagick has an unspecified vulnerability that allows attackers to perform server-side request forgery (SSRF) via a crafted image. Its high EPSS score of 0.83834 and inclusion in CISA's KEV indicate a significant risk of exploitation.
This vulnerability is actively being exploited in the wild, confirming its use by attackers. Exploitation is remote and can occur when processing a specially crafted image.
Users of ImageMagick should update to the latest secure version. Implement robust input validation for image processing and restrict network access for image processing services.
Technical Analysis
CVE-2016-3718 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-2016-3718 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.
Exploit & PoC Resources
All References (1)
Quick Facts
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-3718 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