#VU54084 Improper Authentication in GROWI - CVE-2021-20737

Vulnerability identifier: #VU54084

Vulnerability risk: Low

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-20737

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
GROWI
Web applications / CMS

Vendor: WESEEK, Inc.

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote authenticated attacker can wiew the unauthorized pages without access privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

GROWI: 4.0.0 - 4.2.19

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External links
https://jvn.jp/en/jp/JVN95457785/index.html
https://weseek.co.jp/security/2021/06/14/vulnerability/growi-nosql-ingection/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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