Vulnerability identifier: #VU55466

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-20760

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cybozu Garoon
Web applications / Other software

Vendor: Cybozu

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to insufficient validation of user-supplied input in User Profile. A remote authenticated attacker can pass specially crafted input to the application and alter the data of User Profile without the appropriate privilege.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.0.0 - 5.0.2

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External links
http://jvn.jp/en/jp/JVN54794245/index.html
http://cs.cybozu.co.jp/2021/007206.html

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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.