CVE-2016-4437

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-321

• http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.htmlThird Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-2035.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2036.htmlThird Party Advisory
• http://www.securityfocus.com/archive/1/538570/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/91024Broken Link, Third Party Advisory, VDB Entry
• https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4%40%3Cannouncements.aurora.apache.org%3EMailing List
• http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.htmlThird Party Advisory, VDB Entry
• http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
• http://rhn.redhat.com/errata/RHSA-2016-2035.htmlThird Party Advisory
• http://rhn.redhat.com/errata/RHSA-2016-2036.htmlThird Party Advisory
• http://www.securityfocus.com/archive/1/538570/100/0/threadedBroken Link, Third Party Advisory, VDB Entry
• http://www.securityfocus.com/bid/91024Broken Link, Third Party Advisory, VDB Entry
• https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4%40%3Cannouncements.aurora.apache.org%3EMailing List
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4437US Government Resource

Published

Jun 7, 2016

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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