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Advisory severityMedium4.7Cisco

Medium [CVE-2026-20350] Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability

This medium-severity Cisco advisory covers CVE-2026-20350 affecting ThousandEyes Enterprise Agent, ThousandEyes Endpoint Agent.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

cisco-sa-teva-os-command-W4GAO6jp Source published Source updated

VulniPulse record published Record updated

CVE-2026-20350
Affected products & platforms
CiscoUnclassified
Open source advisory

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Summary

A vulnerability in the web-based management interface of Cisco ThousandEyes Virtual Appliance could allow an authenticated, remote attacker to inject arbitrary operating system commands.

This vulnerability is due to improper validation of user-supplied input to the web-based management interface. An attacker could exploit this vulnerability by saving configuration details that contain malicious values.

A successful exploit could allow the attacker to execute arbitrary operating system commands with root privileges. To exploit this vulnerability, the attacker must have valid administrative credentials.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

Affected products named by the advisory: ThousandEyes Enterprise Agent; ThousandEyes Endpoint Agent.

Affected versions
  • Scope: At the time of publication, this vulnerability affected Cisco ThousandEyes Virtual Appliance, regardless of device configuration.
  • Release Earlier than 0.265 (first fixed: 0.265.0)

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions
  • 0.265.0

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Upgrade to the first fixed release for your train per the Fixed Releases table in this advisory.
  • Earlier than 0.265: upgrade to 0.265.0.
Workaround status
  • There are no workarounds that address this vulnerability.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

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