CVE-2022-22780 json
Zoom Chat Susceptible to Zip Bombing
published 2022-02-09 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-27923
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.7%
- EPSS 1.7% chance of exploitation in 30 days, percentile 77%
- public exploits
- 0
- none known
Summary
The Zoom Client for Meetings chat functionality was susceptible to Zip bombing attacks in the following product versions: Android before version 5.8.6, iOS before version 5.9.0, Linux before version 5.8.6, macOS before version 5.7.3, and Windows before version 5.6.3. This could lead to availability issues on the client host by exhausting system resources.
Patch / fix
- Zoom Video Communications Inc Zoom Client for Meetings for Android 5.8.6
- Zoom Video Communications Inc Zoom Client for Meetings for iOS 5.9.0
- Zoom Video Communications Inc Zoom Client for Meetings for Linux 5.8.6
- Zoom Video Communications Inc Zoom Client for Meetings for macOS 5.7.3
- Zoom Video Communications Inc Zoom Client for Meetings for Windows 5.6.3
Exploit prediction
1.70% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:L |
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 7.8 | AV:N/AC:L/Au:N/C:N/I:N/A:C |
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-400 Uncontrolled Resource Consumption
References
-
explore.zoom.us
/en/trust/security/security-bulletin
vendor-advisory
Sources
- CVE List CVE-2022-22780
- NVD CVE-2022-22780
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