Improper Authorization in Cybozu Garoon - CVE-2020-5566
Published: April 27, 2020
Vulnerability identifier: #VU27337
CSH Severity: Low
CVSS v4: 5.3 [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]
CVE-ID: CVE-2020-5566
CWE-ID: CWE-285
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Cybozu Garoon
How to mitigate CVE-2020-5566
Install updates from vendor's website.
Cybozu Garoon - update to 5.0.0