CVE-2021-28093: Open-Xchange Documents

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

OX Documents before 7.10.5-rev5 has Incorrect Access Control of converted images because hash collisions can occur, due to use of Adler32.

Affected products

• Open-Xchange Open-Xchange Documents: before 7.10.5 (fixed in 7.10.5); version 7.10.5 only

Published 2021-07-30. Last modified 2026-06-17.