CVE-2021-20757: Cybozu Garoon

Medium severity, CVSS 4.3. EPSS: 0.8% chance of exploitation in the next 30 days.

Operational restrictions bypass vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to alter the data of Portal without the appropriate privilege.

Affected products

• Cybozu Garoon: from 4.0.0, up to and including 5.0.2

Published 2021-08-18. Last modified 2026-06-17.