CVE-2021-34425

6.1 mediumEPSS 0.8%

Medium (6.1) in zoom meetings. EPSS 0.8% chance of exploitation in the next 30 days.

The Zoom Client for Meetings before version 5.7.3 (for Android, iOS, Linux, macOS, and Windows) contain a server side request forgery vulnerability in the chat\'s "link preview" functionality. In versions prior to 5.7.3, if a user were to enable the chat\'s "link preview" feature, a malicious actor could trick the user into potentially sending arbitrary HTTP GET requests to URLs that the actor cannot reach directly.

Severity

CVSS 3.1

6.1 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.8% chance of exploitation in the next 30 days; higher than 56% of CVEs (scores of 2026-10-31)
CWE: CWE-918
Published: 2021-12-14
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

zoom:meetings

References

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

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