עברית

Vulnerability Intelligence

CVE-2016-4437

Critical 9.8 Exploited in the wild (KEV)

Published
Last modified
NVD status
Analyzed

CISA KEV catalog

Confirmed active exploitation.

Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.

CISA KEV
Name
Apache Shiro Code Execution Vulnerability
Added to catalog
Remediation due date (US federal)
Required action
Apply updates per vendor instructions.

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.

Affected products

apache: aurora; apache: shiro; redhat: fuse; redhat: jboss middleware text-only advisories

References10

Metrics

CVSS 3.1
9.8 CRITICAL Score source: NVD CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS — exploit probability
93% percentile: 100 · as of 8 November 2026
CWE
CWE-321

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