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)

EPSS: 0.020 (79.0th percentile) — read the EPSS interpretation.

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.

Affected products

  • Zoom
  • N/a — versions n/a

Weakness classification (CWE)

Public proof-of-concept exploits

References

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.