CVE-2022-33749: Xen Xapi

Medium severity, CVSS 5.3. EPSS: 1.1% chance of exploitation in the next 30 days.

XAPI open file limit DoS It is possible for an unauthenticated client on the network to cause XAPI to hit its file-descriptor limit. This causes XAPI to be unable to accept new requests for other (trusted) clients, and blocks XAPI from carrying out any tasks that require the opening of file descriptors.

Affected products

• Xen Xapi: any version

Published 2022-10-11. Last modified 2026-06-17.