Vulnerability identifier: #VU76126

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-2023-27304

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cybozu Garoon
Web applications / Other software

Vendor: Cybozu

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to improper authorization in Message and Bulletin. A remote user can alter the data of Message and/or Bulletin.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cybozu Garoon: 4.6.0 - 5.9.2

---

External links
http://jvn.jp/en/jp/JVN41694426/index.html
http://cs.cybozu.co.jp/2023/007698.html

---

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.