CVE-2022-3338: XXE in Trellix ePO server

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-10-18 · updated 2026-06-17
Weakness: CWE-611

Description

An External XML entity (XXE) vulnerability in ePO prior to 5.10 Update 14 can lead to an unauthenticated remote attacker to potentially trigger a Server Side Request Forgery attack. This can be exploited by mimicking the Agent Handler call to ePO and passing the carefully constructed XML file through the API.

Affected products

McAfee,LLC McAfee ePolicy Orchestrator (ePO): before 5.10.0; 5.10.0, 5.10.0-update_1, 5.10.0-update_10, 5.10.0-update_11, 5.10.0-update_12, 5.10.0-update_13 (+8) — fixed in 5.10.0

How to fix

Upgrade to a fixed version: McAfee,LLC McAfee ePolicy Orchestrator (ePO) 5.10.0. Check the vendor advisory for mitigations.

References

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