Improper Authentication in Apache Shiro - CVE-2020-11989
Published: August 18, 2020 / Updated: October 18, 2020
Vulnerability identifier: #VU45756
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: CVE-2020-11989
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Apache Foundation
Affected software:
Apache Shiro
Apache Shiro
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass authentication process.
The vulnerability exists due to an error in when processing authentication requests in Apache Shiro with Spring dynamic controllers. A remote attacker can bypass authentication process and gain unauthorized access to the application.
How to mitigate CVE-2020-11989
Install updates from vendor's website.
Sources
- https://lists.apache.org/thread.html/r2d2612c034ab21a3a19d2132d47d3e4aa70105008dd58af62b653040@%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/r408fe60bc8fdfd7c74135249d646d7abadb807ebf90f6fd2b014df21@%3Cdev.geode.apache.org%3E
- https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675%40%3Cuser.shiro.apache.org%3E
- https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675@%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/r72815a124a119c450b86189767d06848e0d380b1795c6c511d54a675@%3Cuser.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rab1972d6b177f7b5c3dde9cfb0a40f03bca75f0eaf1d8311e5762cb3@%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rc8b39ea8b3ef71ddc1cd74ffc866546182683c8adecf19c263fe7ac0@%3Ccommits.shiro.apache.org%3E
- https://lists.apache.org/thread.html/rcf3d8041e1232201fe5d74fc612a193e435784d64002409b448b58fe@%3Cdev.geode.apache.org%3E