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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...

Basic Information

CVE State
PUBLISHED
Reserved Date
May 02, 2016
Published Date
June 07, 2016
Last Updated
February 07, 2025
Vendor
Apache Software Foundation
Product
Shiro
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.
Tags
apache cisa nuclei_scanner metasploit_scanner

CVSS Scores

CVSS v3.1

9.8 - CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

SSVC Information

Exploitation
active
Automatable
Yes
Technical Impact
total

Exploit Status

Exploited in the Wild
Yes (2021-11-03 00:00:00 UTC) Source
Proof of Concept Available
Yes (added 2024-01-15 08:24:40 UTC) Source

References

http://rhn.redhat.com/errata/RHSA-2016-2035.html 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://rhn.redhat.com/errata/RHSA-2016-2036.html http://www.securityfocus.com/bid/91024 http://www.securityfocus.com/archive/1/538570/100/0/threaded http://packetstormsecurity.com/files/157497/Apache-Shiro-1.2.4-Remote-Code-Execution.html

Known Exploited Vulnerability Information

Source Added Date
CISA 2021-11-03 00:00:00 UTC

Scanner Integrations

Scanner URL Date Detected
Metasploit https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/multi/http/shiro_rememberme_v124_deserialize.rb 2025-04-29 11:01:23 UTC
Nuclei https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2016/CVE-2016-4437.yaml 2025-04-26 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

shiro_rememberme_v124_deserialize

Type: metasploit • Created: Unknown

Metasploit module for CVE-2016-4437

xk-mt/CVE-2016-4437

Type: github • Created: 2024-01-15 08:24:40 UTC • Stars: 0

1.验证CVE-2016-4437、2.解析rememberMe的文件和CBC加密的IV偏移

pizza-power/CVE-2016-4437

Type: github • Created: 2023-12-22 02:26:01 UTC • Stars: 2

Python POC to Exploit CVE-2016-4437 Apache Shiro Deserialization Vulnerability Due to Hardcode Encryption Key

Timeline

  • CVE ID Reserved

  • CVE Published to Public

  • Added to KEVIntel

  • Proof of Concept Exploit Available

  • Detected by Nuclei

  • Detected by Metasploit