#VU51465 Permissions, Privileges, and Access Controls in Cybozu Office


Published: 2021-03-15

Vulnerability identifier: #VU51465

Vulnerability risk: Low

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

CVE-ID: CVE-2021-20630

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cybozu Office
Other software / Other software solutions

Vendor: Cybozu

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Phone Messages. A remote authenticated attacker can obtain the data of Phone Messages without the viewing privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cybozu Office: 10.0.0 - 10.8.4


External links
http://jvn.jp/en/jp/JVN45797538/index.html
http://cs.cybozu.co.jp/2021/007306.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.


Latest bulletins with this vulnerability