Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings
Priority LOW 39CWE-295Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.
Summary
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.
Why it matters now
EPSS 0.03686 89th percentileScored 2026-11-07
Fix Fixed Zoom Client for Meetings for Android (Zoom Video Communications Inc): 5.10.0Zoom Client for Meetings for iOS (Zoom Video Communications Inc): 5.10.0+3 more products
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Zoom Video Communications, Inc. | Zoom Client for Meetings for Android | before 5.10.0 | 5.10.0 | Patch available | CNA |
| Zoom Video Communications, Inc. | Zoom Client for Meetings for iOS | before 5.10.0 | 5.10.0 | Patch available | CNA |
| Zoom Video Communications, Inc. | Zoom Client for Meetings for Linux | before 5.10.0 | 5.10.0 | Patch available | CNA |
| Zoom Video Communications, Inc. | Zoom Client for Meetings for MacOS | before 5.10.0 | 5.10.0 | Patch available | CNA |
| Zoom Video Communications, Inc. | Zoom Client for Meetings for Windows | before 5.10.0 | 5.10.0 | Patch available | CNA |
- Zoom Client for Meetings for Android VendorZoom Video Communications, Inc. Affected before 5.10.0 Fixed in 5.10.0 Patch available CNA
- Zoom Client for Meetings for iOS VendorZoom Video Communications, Inc. Affected before 5.10.0 Fixed in 5.10.0 Patch available CNA
- Zoom Client for Meetings for Linux VendorZoom Video Communications, Inc. Affected before 5.10.0 Fixed in 5.10.0 Patch available CNA
- Zoom Client for Meetings for MacOS VendorZoom Video Communications, Inc. Affected before 5.10.0 Fixed in 5.10.0 Patch available CNA
- Zoom Client for Meetings for Windows VendorZoom Video Communications, Inc. Affected before 5.10.0 Fixed in 5.10.0 Patch available CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:zoom:meetings:*:*:*:*:*:android:*:* | before 5.10.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meetings:*:*:*:*:*:iphone_os:*:* | before 5.10.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meetings:*:*:*:*:*:linux:*:* | before 5.10.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meetings:*:*:*:*:*:macos:*:* | before 5.10.0 | Vulnerable | Zoom Video Communications, Inc. |
| cpe:2.3:a:zoom:meetings:*:*:*:*:*:windows:*:* | before 5.10.0 | Vulnerable | Zoom Video Communications, Inc. |
- cpe:2.3:a:zoom:meetings:*:*:*:*:*:android:*:* Versions before 5.10.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meetings:*:*:*:*:*:iphone_os:*:* Versions before 5.10.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meetings:*:*:*:*:*:linux:*:* Versions before 5.10.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meetings:*:*:*:*:*:macos:*:* Versions before 5.10.0 Vulnerable ·Zoom Video Communications, Inc.
- cpe:2.3:a:zoom:meetings:*:*:*:*:*:windows:*:* Versions before 5.10.0 Vulnerable ·Zoom Video Communications, Inc.
Remediation
- Fix · CNA Zoom Client for Meetings for Android (Zoom Video Communications Inc) Fixed in 5.10.0
- Fix · CNA Zoom Client for Meetings for iOS (Zoom Video Communications Inc) Fixed in 5.10.0
- Fix · CNA Zoom Client for Meetings for Linux (Zoom Video Communications Inc) Fixed in 5.10.0
- Fix · CNA Zoom Client for Meetings for MacOS (Zoom Video Communications Inc) Fixed in 5.10.0
- Fix · CNA Zoom Client for Meetings for Windows (Zoom Video Communications Inc) Fixed in 5.10.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Zoom Client for Meetings for Windows 5.10.0
4 records Highest priority Priority MEDIUM 3 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-07034 Improperly constrained session cookies in Zoom Client for MeetingsPriority MEDIUM 45
- TI-2022-07035 Update package downgrade in Zoom Client for Meetings for WindowsPriority MEDIUM 43
- TI-2022-07033 Improper XML Parsing in Zoom Client for MeetingsPriority MEDIUM 42
- Release ·
Zoom Client for Meetings for Android, Zoom Client for Meetings for Linux and 2 more products 5.10.0
3 records Highest priority Priority MEDIUM 2 MEDIUM, 1 LOW
Other records, highest priority first
- TI-2022-07034 Improperly constrained session cookies in Zoom Client for MeetingsPriority MEDIUM 45
- TI-2022-07033 Improper XML Parsing in Zoom Client for MeetingsPriority MEDIUM 42
Timeline
- 2026-10-02 Threatist record created from CVE-2022-22787
- 2026-10-03 Alias added: GHSA-8jgr-9gc8-m8fm
References
More Zoom Video Communications, Inc. Meetings vulnerabilities
- TI-2021-13217 Improper certificate validation in Zoom Client for Meetings for Windows CVSS 3.1CRITICAL 9.8
- TI-2021-13457 Buffer overflow in Zoom client and other products CVSS 3.1CRITICAL 9.8
- TI-2022-11393 Improper URL parsing in Zoom Clients CVSS 3.1CRITICAL 9.6
- TI-2022-07034 Improperly constrained session cookies in Zoom Client for Meetings CVSS 3.1CRITICAL 9.1
- TI-2022-07035 Update package downgrade in Zoom Client for Meetings for Windows CVSS 3.1HIGH 8.8
- TI-2022-07033 Improper XML Parsing in Zoom Client for Meetings CVSS 3.1HIGH 8.1
Sources
- CVE-2022-22787 · CVE Program
- CVE-2022-22787 · NVD
- FIRST EPSS
- GHSA-8jgr-9gc8-m8fm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences