Vulnerability · Published May 20, 2026 · Assigned by cisco
CVE-2026-20199
Medium 4.7
In plain English
A medium-severity injection in Cisco ThousandEyes Enterprise Agent from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 38% of all known vulnerabilities).
Official description
A vulnerability in the SSL certificate handling of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to execute commands on the underlying operating system as the root user. This vulnerability is due to insufficient validation of user-supplied input. An authenticated attacker could exploit this vulnerability by uploading a crafted certificate to an affected device. A successful exploit could allow the attacker to execute arbitrary code as the root user on the underlying operating system. To exploit this vulnerability, the attacker must have valid administrative credentials.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco ThousandEyes Enterprise Agent | N/A |
Weakness: CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L