CVE-2020-27126

MEDIUM

Cisco Webex Meetings - Unauthenticated Cross-Site Scripting via API Input

Title source: llm
STIX 2.1

Description

A vulnerability in an API of Cisco Webex Meetings could allow an unauthenticated, remote attacker to conduct cross-site scripting attacks. The vulnerability is due to improper validation of user-supplied input to an application programmatic interface (API) within Cisco Webex Meetings. An attacker could exploit this vulnerability by convincing a targeted user to follow a link designed to submit malicious input to the API used by Cisco Webex Meetings. A successful exploit could allow the attacker to conduct cross-site scripting attacks and potentially gain access to sensitive browser-based information from the system of a targeted user.

References (1)

Core 1

Scores

CVSS v3 6.1
EPSS 0.0021
EPSS Percentile 43.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-80 CWE-79
Status published
Products (1)
cisco/webex_meetings 40.10.2
Published Nov 18, 2020
Tracked Since Feb 18, 2026