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CVE-2020-27126

6.1 · MEDIUM
Published Nov 18, 2020 cisco CWE-80 EPSS 1.02% (61th pctl)

Overview

CVE-2020-27126 is a medium-severity vulnerability affecting cisco webex_meetings. It was published on November 18, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from cisco. Update webex_meetings to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2020-27126?

CVE-2020-27126 is a medium-severity vulnerability affecting cisco webex_meetings. It was published on November 18, 2020 and has a CVSS 3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2020-27126?

This vulnerability has a CVSS 3.1 base score of 6.1, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-27126?

Check the references section for vendor advisories and patches from cisco. Update webex_meetings to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-27126?

CyberStrike's AI-powered security agents can automatically detect CVE-2020-27126 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.