Is CVE-2026-20170 actively exploited?

No active exploitation of CVE-2026-20170 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-20170 be exploited remotely?

Yes. CVE-2026-20170 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-20170?

CVE-2026-20170 has a CVSS score of 6.1 (MEDIUM).

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MEDIUM

CVE-2026-20170

CWE-80Published: April 15, 2026· Updated: Apr 17, 2026

6.1

CVSS v3.1

EPSS:0.06%probability of exploitation in 30 daysPercentile:18.2th

Official Description

A vulnerability in the Desktop Agent functionality of Cisco Webex Contact Center could have allowed an unauthenticated, remote attacker to conduct cross-site scripting attacks. Cisco has addressed this vulnerability in the Cisco Webex Contact Center service, and no customer action is needed.

This vulnerability existed because HTML and script content was not properly handled. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious link. A successful exploit could have allowed the attacker to steal sensitive information from the browser, including authentication and session information.

NVD Source

Technical Analysis

CVE-2026-20170 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.