CVE-2021-36383: Incorrect Authorization

July 12, 2021 (updated July 12, 2022)

Xen Orchestra 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.

References

github.com/vatesfr/xen-orchestra/issues/5712
nvd.nist.gov/vuln/detail/CVE-2021-36383

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