title: XXE in Trellix ePO server
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.
problem types: CWE-611: Improper Restriction of XML External Entity Reference
affected:
{
vendor: Trellix
product: Trellix ePolicy Orchestrator (ePO)
versions:
version: unspecified, lessThan: 5.10 Update 14, status: affected, versionType: custom
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
attackVector: NETWORK
attackComplexity: HIGH
privilegesRequired: NONE
userInteraction: NONE
scope: CHANGED
confidentialityImpact: LOW
integrityImpact: LOW
availabilityImpact: NONE
baseScore: 5.4
baseSeverity: MEDIUM
]