Field Assessment
AI analysis pending.
Exhibit — Public Exploit Signal
A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.
External Security References
Note: these links are listed for security research and verification purposes only.
Cross-Reference — CISA KEV
Status: This CVE is listed in CISA's Known Exploited Vulnerabilities catalog.
Ransomware use: Unknown
Added to KEV: 2021-11-03
Required action: Apply updates per vendor instructions.
CVE
CVE-2016-4437
Severity
CRITICAL
CVSS
9.8
EPSS
93.04%
Apache
Original Filing — NVD Description
Apache Shiro before 1.2.5, when a cipher key has not been configured for the "remember me" feature, allows remote attackers to execute arbitrary code or bypass intended access restrictions via an unspecified request parameter.