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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00338.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Cisco Cisco ThousandEyes Enterprise Agent unknown
Version Status Constraints
Agent 5.0 affected —
Agent 4.4.4 affected —
Agent 4.4.3 affected —
Agent 4.4.2 affected —
Agent 4.2 affected —
Agent 4.1 affected —
Agent 4.0 affected —
Agent 5.1 affected —
Agent 5.1.2 affected —
Agent 5.1.3 affected —
Agent 5.2.0 affected —

No data.

No data.

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Vendors Products
Cisco Subscribe
Thousandeyes Enterprise Agent Subscribe

Project Subscriptions

Vendors Products
Cisco Subscribe
Thousandeyes Enterprise Agent Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-teva-os-command-W4GAO6jp cve-icon cve-icon
History

Fri, 18 Sep 2026 03:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 17 Sep 2026 21:00:00 +0000

Type Values Removed Values Added
First Time appeared Cisco
Cisco thousandeyes Enterprise Agent
Vendors & Products Cisco
Cisco thousandeyes Enterprise Agent

Wed, 16 Sep 2026 20:30:00 +0000

Type Values Removed Values Added
Description 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.
Title Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 4.7, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-09-18T14:54:58.020Z

Reserved: 2025-10-08T11:59:15.414Z

Link: CVE-2026-20350

cve-icon Vulnrichment

Updated: 2026-09-17T15:26:25.743Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-09-16T21:17:12.380

Modified: 2026-09-18T15:17:07.710

Link: CVE-2026-20350

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-17T20:45:16Z

Weaknesses