CVE-2016-4437

apache aurora, apache shiro, redhat fuse

Published 7 Jun 2016 · updated 17 Jun 2026 · Analyzed

9.8 Critical · CVSS 3.1, NVD

Exploited in the wild

CISA added this to its Known Exploited Vulnerabilities catalog on 3 Nov 2021, with a remediation deadline of 3 May 2022 for US federal agencies.

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.

References

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