Vulnerability Details CVE-2021-36383
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 36.4%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.0
References
Products affected by CVE-2021-36383
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cpe:2.3:a:xen-orchestra:xo-server:*
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cpe:2.3:a:xen-orchestra:xo-web:*