Is CVE-2016-4437 actively exploited?

CVE-2016-4437 has no public evidence of in-the-wild exploitation as of 2025-10-22.

What is the CVSS score for CVE-2016-4437?

CVE-2016-4437 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2016-4437?

Patch guidance is available from apache security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2016-4437.

Fix CVE-2016-4437 - CRITICAL apache aurora

Q: Which products are affected by CVE-2016-4437?

4 products: apache aurora, apache shiro, redhat fuse, redhat jboss middleware text-only advisories.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: NVD-CWE-noinfoCWE-321

Metadata

Primary Vendor: APACHE
Published: 6/7/2016
Last Modified: 10/22/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

apache : auroraapache : shiroredhat : fuseredhat : jboss_middleware_text-only_advisories

Remediation Guidance

Executive Summary

View on NIST NVD