TI-2019-10096 Aliases CVE-2019-13449 GHSA-574r-4r9p-83rg

In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service…

LOW 33CWE-20Published 2019-07-09 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

In the Zoom Client before 4.4.2 on macOS, remote attackers can cause a denial of service (continual focus grabs) via a sequence of invalid launch?action=join&confno= requests to localhost port 19421.

Why it matters now

EPSS 0.01997 80th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:zoom:zoom::::::mac_os_x::*	before 4.4.2	Vulnerable	Zoom Video Communications, Inc.

cpe:2.3:a:zoom:zoom:*:*:*:*:*:mac_os_x:*:* Versions before 4.4.2 Vulnerable ·Zoom Video Communications, Inc.

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-13449
2026-10-03 Alias added: GHSA-574r-4r9p-83rg

References

Exploit 1

https://bugs.chromium.org/p/chromium/issues/detail?id=951540

Advisory 3

Other 1

https://medium.com/%40jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5

TI-2017-11048 The ZoomLauncher binary in the Zoom client for Linux before 2.0.115900.1201 does not… CVSS 3.1HIGH 8.8
TI-2017-11047 Stack-based buffer overflow in the ZoomLauncher binary in the Zoom client for Linux… CVSS 3.1HIGH 8.8
TI-2020-04976 Path traversal in Zoom CVSS 3.1CRITICAL 9.8
TI-2018-11203 Authentication bypass by spoofing in Zoom CVSS 3.0CRITICAL 9.8
TI-2024-16222 Zoom Desktop Client for Windows, Zoom VDI Client for Windows, and Zoom Meeting SDK for… CVSS 3.1CRITICAL 9.8
TI-2023-20371 Injection in Zoom Desktop Client for Windows and Zoom VDI Client CVSS 3.1CRITICAL 9.8

See all 62 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences