Improper input validation in Cisco Webex Meetings Server

CVE-2020-3345

A vulnerability in certain web pages of Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to modify a web page in the context of a browser. The vulnerability is due to improper checks on parameter values within affected pages. An attacker could exploit this vulnerability by persuading a user to follow a crafted link that is designed to pass HTML code into an affected parameter. A successful exploit could allow the attacker to alter the contents of a web page to redirect the user to potentially malicious web sites, or the attacker could leverage this vulnerability to conduct further client-side attacks.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (66.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-3345?
CVE-2020-3345 is a medium-severity vulnerability in Cisco Webex Meetings Server, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2020-07-16.
How severe is CVE-2020-3345?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-3345 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.