Vulnerability Monitor

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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.

Published

2021-04-09T23:15:12.957

Last Modified

2024-11-21T06:04:00.567

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: LOW
Authentication: SINGLE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.0

Impact Score

10.0

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	zoom	chat	≤ 2021-04-09	Yes
Operating System	apple	macos	-	No
Operating System	microsoft	windows	-	No

References

https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/ Third Party Advisory ([email protected])
https://explore.zoom.us/en/trust/security/security-bulletin/ Vendor Advisory ([email protected])
https://sector7.computest.nl/post/2021-08-zoom/ Exploit, Third Party Advisory ([email protected])
https://twitter.com/thezdi/status/1379855435730149378 Third Party Advisory ([email protected])
https://twitter.com/thezdi/status/1379859851061395459 Third Party Advisory ([email protected])
https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own Press/Media Coverage, Third Party Advisory ([email protected])
https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/ Press/Media Coverage, Third Party Advisory ([email protected])
https://www.zerodayinitiative.com/advisories/ZDI-21-971/ Third Party Advisory, VDB Entry ([email protected])
https://zoom.us/feature/messaging Product, Vendor Advisory ([email protected])
https://blog.malwarebytes.com/exploits-and-vulnerabilities/2021/04/zoom-zero-day-discovery-makes-calls-safer-hackers-200000-richer/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://explore.zoom.us/en/trust/security/security-bulletin/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://sector7.computest.nl/post/2021-08-zoom/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/thezdi/status/1379855435730149378 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://twitter.com/thezdi/status/1379859851061395459 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.securityweek.com/200000-awarded-zero-click-zoom-exploit-pwn2own Press/Media Coverage, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zdnet.com/article/critical-zoom-vulnerability-triggers-remote-code-execution-without-user-input/ Press/Media Coverage, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.zerodayinitiative.com/advisories/ZDI-21-971/ Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://zoom.us/feature/messaging Product, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)