CVE-2021-20801: Cybozu Remote Service Manager

Medium severity, CVSS 6.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.

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.