Main Vulnerability Database Vulnerabilities #VU59998

Improper Authentication in ShenYu - CVE-2021-37580

Published: January 25, 2022 / Updated: June 21, 2022

Vulnerability identifier: #VU59998

CSH Severity: High

CVSS v4: 9.3 [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]

CVE-ID: CVE-2021-37580

CWE-ID: CWE-287

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Vulnerability details

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.

Affected software

ShenYu

How to mitigate CVE-2021-37580

Install updates from vendor's website.

ShenYu - update to 2.4.1

Links to Public Exploits and PoC-codes

Exploit #8059 - CVE-2021-37580 (CVE-2021-37580的poc) (June 21, 2022)
Exploit #7384 - CVE-2021-37580 () (February 23, 2022)
Exploit #7375 - CVE-2021-37580 () (February 23, 2022)
Exploit #7374 - CVE-2021-37580 (CVE-2021-37580) (February 23, 2022)

External References

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

Related Security Bulletins

Authentication bypass in Apache ShenYu