Authentication bypass in Apache ShenYu



| Updated: 2022-02-23
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-37580
CWE-ID CWE-287
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 ShenYu
Web applications / Other software

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU59998

Risk: High

CVSSv4.0: 8.8 [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:P/U:Amber]

CVE-ID: CVE-2021-37580

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to incorrect use of JWT in ShenyuAdminBootstrap in Apache ShenYu Admin. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

ShenYu: 2.3.0 - 2.4.0

CPE2.3 External links

https://lists.apache.org/thread/o15j25qwtpcw62k48xw1tnv48skh3zgb
https://www.openwall.com/lists/oss-security/2021/11/16/1


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. However, proof of concept for this vulnerability is available.



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