CVE-2025-20259 MEDIUM

CVE-2025-20259: Cisco ThousandEyes Endpoint Agent for Windows Arbitrary File Write Vulnerability

Vendor Cisco
Product Cisco ThousandEyes Endpoint Agent
Weakness CWE-22 · Path traversal
Published June 4, 2025
Last update June 4, 2025

CVSS base score

5.3/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 4, 2025 CVE published
June 4, 2025 Record updated