CVEvulnerability

CVE-2021-36383

4.3 MEDIUM Published 2021-07-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-07-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:P/I:N/A:N

Description

Xen Orchestra (with xo-web through 5.80.0 and xo-server through 5.84.0) mishandles authorization, as demonstrated by modified WebSocket resourceSet.getAll data is which the attacker changes the permission field from none to admin. The attacker gains access to data sets such as VMs, Backups, Audit, Users, and Groups.

Affected configurations

• xen-orchestra xo-server (<= 5.84.0) • xen-orchestra xo-web (<= 5.80.0)

References