Authentication bypass in Apache Shiro



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-17510
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: #VU48197

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-2020-17510

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 when using Apache Shiro with Spring. A remote attacker can send a specially crfated HTTP request, bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Shiro: 1.6.0

CPE2.3 External links

https://lists.apache.org/thread.html/r95bdf3703858b5f958b5e190d747421771b430d97095880db91980d6@%3Cannounce.apache.org%3E
https://lists.apache.org/thread.html/rc2cff2538b683d480426393eecf1ce8dd80e052fbef49303b4f47171%40%3Cdev.shiro.apache.org%3E
https://seclists.org/oss-sec/2020/q4/97


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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