Information disclosure in Cisco Webex Meetings Server

CVE-2020-3347

A vulnerability in Cisco Webex Meetings Desktop App for Windows could allow an authenticated, local attacker to gain access to sensitive information on an affected system. The vulnerability is due to unsafe usage of shared memory that is used by the affected software. An attacker with permissions to view system memory could exploit this vulnerability by running an application on the local system that is designed to read shared memory. A successful exploit could allow the attacker to retrieve sensitive information from the shared memory, including usernames, meeting information, or authentication tokens that could aid the attacker in future attacks.

Vulnerability class: Information Disclosure

EPSS: 0.004 (28.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-3347?
CVE-2020-3347 is a medium-severity vulnerability in Cisco Webex Meetings Server, classified under Information Disclosure. CVSS score: 5.5/10. Published 2020-06-18.
How severe is CVE-2020-3347?
Medium severity. CVSS v3 base score is 5.5 out of 10.