Vulnerability · Published May 18, 2022 · Assigned by Zoom
CVE-2022-22787Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings
Medium 5.9
In plain English
A medium-severity security flaw in Zoom Client for Meetings for Android from Zoom Video Communications Inc. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.7% (higher than 90% of all known vulnerabilities).
Severity (CVSS 3.1)5.9Medium
Exploit odds (30 days)3.7%top 10.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Zoom Video Communications Inc | Zoom Client for Meetings for Android | unspecified – before 5.10.0 |
| Zoom Video Communications Inc | Zoom Client for Meetings for iOS | unspecified – before 5.10.0 |
| Zoom Video Communications Inc | Zoom Client for Meetings for Linux | unspecified – before 5.10.0 |
| Zoom Video Communications Inc | Zoom Client for Meetings for MacOS | unspecified – before 5.10.0 |
| Zoom Video Communications Inc | Zoom Client for Meetings for Windows | unspecified – before 5.10.0 |