VulnerabilityAnalyzed
CVE-2016-4437
Apache Shiro Code Execution Vulnerability
KEVCRITICAL 9.8EPSS 93.0%
Does this matter?
Known to be exploited in the wild (CISA KEV, CISA remediation deadline 3 May 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 93.04% probability · 100th percentile
- CISA KEV
- Listed 3 November 2021 · due 3 May 2022
- Weakness
- CWE-321
- Affected
- apache/aurora · apache/shiro · redhat/fuse · redhat/jboss middleware text-only advisories
- Source
- secalert@redhat.com
CISA notes
Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2016-4437
References
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.