CVEvulnerability
CVE-2021-30480
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-04-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.5 HIGH — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Description
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.
Affected configurations
• zoom chat (<= 2021-04-09)
References
- 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/1379855435730149378 Third Party Advisory
- https://twitter.com/thezdi/status/1379859851061395459 Third Party Advisory
- https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own Press/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/messaging Product, 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/1379855435730149378 Third Party Advisory
- https://twitter.com/thezdi/status/1379859851061395459 Third Party Advisory
- https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own Press/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/messaging Product, Vendor Advisory