Improper Authorization in Cybozu Garoon - CVE-2020-5566

 

Improper Authorization in Cybozu Garoon - CVE-2020-5566

Published: April 27, 2020


Vulnerability identifier: #VU27337
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-5566
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cybozu
Affected software:
Cybozu Garoon

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to missing authorization checks in the applications "E-mail" and "Messages". A remote authenticated attacker can alter applications' data.

Note: This vulnerability affects the applications "E-mail" and "Messages" in versions 4.0.0 to 4.0.2, and "Messages" in versions 4.0.3 to 4.10.3.


How to mitigate CVE-2020-5566

Install updates from vendor's website.

Sources