Authentication bypass in Apache Shiro



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41303
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Apache Shiro
Universal components / Libraries / Software for developers

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU56683

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-41303

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests, when using Apache Shiro with Spring Boot. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Shiro: 1.0.0 - 1.7.1

CPE2.3 External links

https://seclists.org/oss-sec/2021/q3/175


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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