title: Improper XML Parsing in Zoom Client for Meetings
description: The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly parse XML stanzas in XMPP messages. This can allow a malicious user to break out of the current XMPP message context and create a new message context to have the receiving users client perform a variety of actions.This issue could be used in a more sophisticated attack to forge XMPP messages from the server.
problem types: Improper Input Validation
affected:
{
product: Zoom Client for Meetings for Android
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.10.0, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for iOS
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.10.0, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for Linux
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.10.0, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for MacOS
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.10.0, status: affected, version: unspecified, versionType: custom
}
{
product: Zoom Client for Meetings for Windows
vendor: Zoom Video Communications Inc
versions:
lessThan: 5.10.0, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: NONE
baseScore: 8.1
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
version: 3.1
]