Apache Shiro
YES - ON THE CISA KEV LIST
CVE-2016-4437
Apache Shiro Code Execution Vulnerability
overdue since 2022-05-03
Apache: 41 entries (2.3% of all KEV entries are from this vendor); 3 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
Apache Shiro contains a vulnerability which may allow remote attackers to execute code or bypass intended access restrictions via an unspecified request parameter when a cipher key has not been configured for the "remember me" feature.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2016-4437
References
Other KEV entries for this vendor: Apache
- CVE-2016-3081 - Struts (2026-10-08)
- CVE-2026-34486 - Tomcat (2026-08-04)
- CVE-2026-34197 - ActiveMQ (2026-04-16)
- CVE-2024-38475 - HTTP Server (2025-05-01)
- CVE-2025-24813 - Tomcat (2025-04-01)
- CVE-2024-45195 - OFBiz (2025-02-04)
- CVE-2024-27348 - HugeGraph-Server (2024-09-18)
- CVE-2024-38856 - OFBiz (2024-08-27)
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