Server-Side Request Forgery (SSRF) in Cybozu Garoon - CVE-2020-5562

 

Server-Side Request Forgery (SSRF) in Cybozu Garoon - CVE-2020-5562

Published: April 28, 2020


Vulnerability identifier: #VU27374
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:H/VA:N/SC:L/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-5562
CWE-ID: CWE-918
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Cybozu
Affected software:
Cybozu Garoon

Detailed vulnerability description

The disclosed vulnerability allows a remote user to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in the V-CUBE Meeting function. A remote administrator can send a specially crafted HTTP request to other web servers and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


How to mitigate CVE-2020-5562

Install updates from vendor's website.

Sources