CVE-2021-30480

Zoom Chat through 2021-04-09 on Windows and macOS allows certain remote authenticated attackers to execute arbitrary code without user interaction. An attacker must be within the same organization, or an external party who has been accepted as a contact. NOTE: this is specific to the Zoom Chat software, which is different from the chat feature of the Zoom Meetings and Zoom Video Webinars software.

• https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/Third Party Advisory
• https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory
• https://sector7.computest.nl/post/2021-08-zoom/Exploit, Third Party Advisory
• https://twitter.com/thezdi/status/1379855435730149378Third Party Advisory
• https://twitter.com/thezdi/status/1379859851061395459Third Party Advisory
• https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2ownPress/Media Coverage, Third Party Advisory
• https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/Press/Media Coverage, Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-971/Third Party Advisory, VDB Entry
• https://zoom.us/feature/messagingProduct, Vendor Advisory
• https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/Third Party Advisory
• https://explore.zoom.us/en/trust/security/security-bulletin/Vendor Advisory
• https://sector7.computest.nl/post/2021-08-zoom/Exploit, Third Party Advisory
• https://twitter.com/thezdi/status/1379855435730149378Third Party Advisory
• https://twitter.com/thezdi/status/1379859851061395459Third Party Advisory
• https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2ownPress/Media Coverage, Third Party Advisory
• https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/Press/Media Coverage, Third Party Advisory
• https://www.zerodayinitiative.com/advisories/ZDI-21-971/Third Party Advisory, VDB Entry
• https://zoom.us/feature/messagingProduct, Vendor Advisory

Published

Apr 9, 2021

Last Modified

Jun 17, 2026

Status

Modified

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