CVE-2021-20795: Cybozu Remote Service Manager

High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in the management screen of Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote attacker to hijack the authentication of administrators and unintended operations may be performed via unspecified vectors.

Affected products

• Cybozu Remote Service Manager: version 3.1.8 only; version 3.1.9 only

Published 2021-10-13. Last modified 2026-06-17.