Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 3.9%
exploitation probability
3.9%top 11% of all CVEs
observed exploitation
nono source reports it
The Zoom Client for Meetings (for Android, iOS, Linux, macOS, and Windows) before version 5.10.0 fails to properly validate the hostname during a server switch request. This issue could be used in a more sophisticated attack to trick an unsuspecting users client to connect to a malicious server when attempting to use Zoom services.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L
Affected products
Zoom Video Communications Inc · Zoom Client for Meetings for AndroidZoom Video Communications Inc · Zoom Client for Meetings for iOSZoom Video Communications Inc · Zoom Client for Meetings for LinuxZoom Video Communications Inc · Zoom Client for Meetings for MacOSZoom Video Communications Inc · Zoom Client for Meetings for Windows