OXUpdater in Open-Xchange Server before 6.20.7 rev14, 6.22.0 before rev13, and 6.22.1 before rev14 does not verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof update servers and install arbitrary software via a crafted certificate.
| Software | From | Fixed in |
|---|---|---|
| open-xchange / open-xchange_server | 6.22.1 | 6.22.1.x |
| open-xchange / open-xchange_server | 6.20.7 | 6.20.7.x |
| open-xchange / open-xchange_server | 6.22.0 | 6.22.0.x |