Medium severity · published Jul 9, 2019
CVE-2019-13449
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…
6.5
CVSS
2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZO
Zoom · Zoom
before 4.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-13449
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-13449
Vendor Advisory
https://assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf
Vendor Advisory
https://blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/
Exploit
https://bugs.chromium.org/p/chromium/issues/detail?id=951540
medium.com
https://medium.com/%40jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-just-get-them-to-visit-your-website-ac75c83f4ef5
Third Party Advisory
https://twitter.com/zoom_us/status/1148710712241295361
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