VULNERABILITY INTELLIGENCE

CVE-2021-36383

CVSS score4.3 MEDIUM
EPSS probability0.71%
CISA KEVNot currently listed
Published2021-07-12
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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.

Weakness classification

  • nvd@nist.gov: NVD-CWE-Other

Primary references