XSS in Cisco Webex Meetings

CVE-2020-3463

A vulnerability in the web-based management interface of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the web-based management interface of the affected service. The vulnerability is due to insufficient validation of user-supplied input by the web-based management interface of the affected service. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (55.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-3463?
CVE-2020-3463 is a medium-severity vulnerability in Cisco Webex Meetings, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-08-17.
How severe is CVE-2020-3463?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-3463 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.