CVE-2022-22787 json
Insufficient hostname validation during Clusterswitch message in Zoom Client for Meetings
published 2022-05-18 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27930
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.7%
- EPSS 3.7% chance of exploitation in 30 days, percentile 89%
- public exploits
- 0
- none known
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.
Patch / fix
- Zoom Video Communications Inc Zoom Client for Meetings for Android 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for iOS 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for Linux 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for MacOS 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for Windows 5.10.0
Exploit prediction
3.69% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.0 | AV:N/AC:M/Au:S/C:P/I:P/A:P |
Affected products
- Zoom Video Communications Inc Zoom Client for Meetings for Android
- Zoom Video Communications Inc Zoom Client for Meetings for iOS
- Zoom Video Communications Inc Zoom Client for Meetings for Linux
- Zoom Video Communications Inc Zoom Client for Meetings for MacOS
- Zoom Video Communications Inc Zoom Client for Meetings for Windows
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
explore.zoom.us
/en/trust/security/security-bulletin
vendor-advisory
-
packetstormsecurity.com
/files/167238/Zoom-XMPP-Stanza-Smuggling-Remote-Code-Execution.html
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2022-22787
- NVD CVE-2022-22787
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