CVE-2016-4437CISA KEVEPSS p99.8%

CVE-2016-4437Apache Shiro Code Execution Vulnerability

Apache / Shiro

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.

Scoring

EPSS93.14% probability of exploitation · percentile 99.8% · 2026-06-17T12:03:21Z

CISA KEV entry

Added to KEV: 2021-11-03

(incoming)1

TypeTargetConfidenceTier
KEVEntryApache Shiro Code Execution Vulnerabilitykev-cve-2016-44370%live

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Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.