CVE-2021-20625: Cybozu Office

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

Improper access control vulnerability in Bulletin Board of Cybozu Office 10.0.0 to 10.8.4 allows an authenticated attacker to bypass access restriction and alter the data of Bulletin Board via unspecified vectors.

Affected products

• Cybozu Office: from 10.0.0, up to and including 10.8.4

Published 2021-03-18. Last modified 2026-06-17.