#VU23624 Improper access control in Cybozu Office - CVE-2019-6023

Vulnerability identifier: #VU23624

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-2019-6023

CWE-ID: CWE-284

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 gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions in the "Address" application. A remote authenticated attacker can bypass implemented security restrictions and obtain data without access privileges.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Cybozu Office: 10.0.0 - 10.8.3

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External links
https://jvn.jp/en/jp/JVN79854355/index.html
https://cs.cybozu.co.jp/2019/006976.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.