CVE-2016-4437

critical Apache ⚠️ CISA KEV — Exploited in the Wild
CVSS v3 Base Score
9.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score
94.2%
Exploitation probability in 30 days
Top 0% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: June 7, 2016 (3627 days ago)
Last Modified: April 22, 2026
Vendor: Apache
Source: NVD

⚠️ CISA Known Exploited Vulnerability

Added to KEV: 2021-11-03
Remediation Due: 2022-05-03 (⚠ 1472d overdue)

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.

CWE

NVD-CWE-noinfo

Affected Products

apache auroraapache shiroredhat fuseredhat jboss middleware text-only advisories

References

🔗 packetstormsecurity.com 🔗 packetstormsecurity.com 🔗 rhn.redhat.com 🔗 rhn.redhat.com 🔗 www.securityfocus.com