CVE-2016-4437
RCE CISA KEV ActiveTitle: Apache Shiro RCE
RCE
Proof Of Concept
PoC Available for CVE-2016-4437
CWE Category
CWE-321
Published Date
Jun 07, 2016
Modified Date
Jun 17, 2026
Exploit Status
Available
Score
9.8
CVSS v3.1
Exploit Probability (EPSS)
93.04%
Vulnerability Summary
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.
Impacted Vendors
Reference Links
http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.html
http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html
http://rhn.redhat.com/errata/RHSA-2016-2035.html
http://rhn.redhat.com/errata/RHSA-2016-2036.html
http://www.securityfocus.com/archive/1/538570/100/0/threaded
http://www.securityfocus.com/bid/91024
https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4%40%3Cannouncements.aurora.apache.org%3E
http://packetstormsecurity.com/files/137310/Apache-Shiro-1.2.4-Information-Disclosure.html
http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html
http://rhn.redhat.com/errata/RHSA-2016-2035.html
http://rhn.redhat.com/errata/RHSA-2016-2036.html
http://www.securityfocus.com/archive/1/538570/100/0/threaded
http://www.securityfocus.com/bid/91024
https://lists.apache.org/thread.html/ef3a800c7d727a00e04b78e2f06c5cd8960f09ca28c9b69d94c3c4c4%40%3Cannouncements.aurora.apache.org%3E
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-4437
CVSS v3.1
Source Entity
[email protected]
Severity
CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v3.1
Source Entity
134c704f-9b21-4f2e-91b3-4a467353bcc0
Severity
CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity
[email protected]
Severity
MEDIUM
6.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR
AV:N/AC:M/Au:N/C:P/I:P/A:P
Associated Attack Patterns (CAPEC)
Total: PatternsNo specific attack patterns mapped.
Likelihood
Severity
Page /
CVE-2016-4437 Exploits & PoCs (Proof Of Concept)
Exploit-DB
https://www.exploit-db.com/exploits/48410
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data updated via NVD.
MODIFIED
Vulnerability data or affected products updated.
PUBLISHED
Vulnerability first announced in NVD.
Attack Vector Matrix
Access Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
CVSS Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Stack
No specific products linked.