Path Traversal in Zoom

CVE-2020-6109

An exploitable path traversal vulnerability exists in the Zoom client, version 4.6.10 processes messages including animated GIFs. A specially crafted chat message can cause an arbitrary file write, which could potentially be abused to achieve arbitrary code execution. An attacker needs to send a specially crafted message to a target user or a group to exploit this vulnerability.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.047 (91.6th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-6109: held from 0.047 to 0.047.

EPSS over last 30 days · oldest: 0.047 · newest: 0.047 · change: 0.000

Affected products

  • Zoom — versions 4.6.10
  • Zoom — versions Zoom Client Application 4.6.10

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-6109?
CVE-2020-6109 is a critical-severity vulnerability in Zoom, classified under Path Traversal. CVSS score: 9.8/10. Published 2020-06-08.
How severe is CVE-2020-6109?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2020-6109 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.