CVE-2025-20259

Medium

Description

Multiple vulnerabilities in the update process of Cisco ThousandEyes Endpoint Agent for Windows could allow an authenticated, local attacker to delete arbitrary files on an affected device. These vulnerabilities are due to improper access controls on files that are in the local file system. An attacker could exploit these vulnerabilities by using a symbolic link to perform an agent upgrade that redirects the delete operation of any protected file. A successful exploit could allow the attacker to delete arbitrary files from the file system of the affected device.

SeverityMedium
CVSS5.3
Exploit probability—
ProductCisco Thousandeyes Endpoint Agent
PublishedJun 4, 2025
First seenJun 4, 2025

How to fix

Update
  • cisco thousandeyes_endpoint_agent2.3.3 or later

Affected products

ProductAffected versionsFixed in
cisco thousandeyes_endpoint_agentv < 2.3.32.3.3

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CVE-2025-20259 · Cisco Thousandeyes Endpoint Agent · Dark Radar