CVE-2016-4437Vulnerability
Apache Shiro Code Execution Vulnerability
Exploited in the wildCISA added it to its Known Exploited Vulnerabilities list on .
Reported by 1 independent source · first reported by Recorded Future · last reported
Last reported 12 days ago
CISA KEVAdded 3 Nov 2021
Fix due 3 May 2022
Used by ransomware: not knownCISA KEV catalogue
Fix due 3 May 2022
Used by ransomware: not knownCISA KEV catalogue
EPSS93.0%
higher than 99% of CVEsFIRST EPSS, as of 23 Oct 2026
higher than 99% of CVEsFIRST EPSS, as of 23 Oct 2026
What the reports say
2 reports, newest first · the exact sentence from each-
September 2026 CVE Landscape“CVE-2016-4437”
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June 2026 CVE Landscape“CVE-2016-4437”
Indicators reported together
named in the same reportsAlso named with it: CVE-2026-35273, CVE-2026-34908, CVE-2026-34909, CVE-2026-34910, CVE-2024-21762, CVE-2026-60004, CVE-2026-25089, CVE-2026-39808, CVE-2026-11645, CVE-2026-28318, CVE-2026-20230, CVE-2026-35616, CVE-2026-33825, CVE-2025-55182, CVE-2026-21509, CVE-2025-8088, CVE-2025-6218, CVE-2022-0847, CVE-2026-85046, CVE-2026-85880
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