CVE-2020-3345
MEDIUMCisco Webex Meetings < 40.6.0 and Webex Meetings Server < 4.0 - Cross-Site Scripting
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-html-BJ4Y9tX
Scores
CVSS v3
4.3
EPSS
0.0053
EPSS Percentile
67.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-20
Status
published
Products (3)
cisco/webex_meetings
< 40.6.0
cisco/webex_meetings_server
4.0 (3 CPE variants)
cisco/webex_meetings_server
< 4.0
Published
Jul 16, 2020
Tracked Since
Feb 18, 2026