CVE-2020-27126: cisco cisco webex meetings

Vulnerability summary

CVE-2020-27126 is a medium (CVSS 6.1) vulnerability in cisco cisco webex meetings. EPSS estimates a 1.02% chance of exploitation in the next 30 days, higher than 62.7% of scored vulnerabilities.

Timeline

1. 18-11-2020
   PublishedVulnerability first disclosed.
2. 13-11-2024
   Last modifiedVulnerability information updated.

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.

• CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.
• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.