What’s Vulnerable › Vulnerabilities
CVE-2026-20161: Cisco ThousandEyes Enterprise Agent Arbitrary File Overwrite Vulnerability
- Severity: medium (CVSS 5.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-04-15 · updated 2026-10-25
- Weakness: CWE-59
Description
A vulnerability in the CLI of Cisco ThousandEyes Enterprise Agent could allow an authenticated, local attacker with low privileges to overwrite arbitrary files on the local system of an affected device. This vulnerability is due to improper access controls on files that are on the local file system of an affected device. An attacker could exploit this vulnerability by placing a symbolic link in a specific location on the local file system. A successful exploit could allow the attacker to bypass file system permissions and overwrite arbitrary files on the affected device.
Affected products
- Cisco ThousandEyes Enterprise Agent: Agent 5.0, Agent 4.4.4, Agent 4.4.3, Agent 4.4.2, Agent 4.2, Agent 4.1 (+3)
References
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