CVE-2022-22787
Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings
- Published
- Updated
- Reserved
- Assigned by
- Zoom
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ZoomCNA (assigner) | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.7% · top 10% of all CVEs (6 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.9.
Weakness
- Improper Input Validation
- CWE-295 (opens in a new tab)All about CWE-295 and its CVEs
Affected products
Zoom Video Communications Inc · Zoom Client for Meetings for Android
- affected unspecified – < 5.10.0
Zoom Video Communications Inc · Zoom Client for Meetings for iOS
- affected unspecified – < 5.10.0
Zoom Video Communications Inc · Zoom Client for Meetings for Linux
- affected unspecified – < 5.10.0
Zoom Video Communications Inc · Zoom Client for Meetings for MacOS
- affected unspecified – < 5.10.0
Zoom Video Communications Inc · Zoom Client for Meetings for Windows
- affected unspecified – < 5.10.0
References (2)
- https://explore.zoom.us/en/trust/security/security-bulletin (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://packetstormsecurity.com/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-22787)Record last updated .