CVE-2026-20199

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

Severity
Medium 4.7
CVSS 3.1
Exploited
Not listed
EPSS
0.004
36.0th percentile
Discovered by
Vendor
Published by the vendor
Published
May 20, 2026
Assigned by cisco

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.

Weakness: CWE-74

Affected products

Vendor Product Category Matched by

No product mapping yet — this CVE is pending taxonomy review.

Vendor-reported affected versions (1)
  • Cisco · Cisco ThousandEyes Enterprise Agent