Improper input validation in Zoom
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 localhost port 19421.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- medium.com/@jonathan.leitschuh/zoom-zero-day-4-million-webcams-maybe-an-rce-jus…
- assets.zoom.us/docs/pdf/Zoom+Response+Video-On+Vulnerability.pdf (Vendor Advisory)
- blog.zoom.us/wordpress/2019/07/08/response-to-video-on-concern/ (Vendor Advisory)
- twitter.com/zoom_us/status/1148710712241295361 (Third Party Advisory)
- bugs.chromium.org/p/chromium/issues/detail (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-13449?
- CVE-2019-13449 is a medium-severity vulnerability in Zoom, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2019-07-09.
- How severe is CVE-2019-13449?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-13449 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.