Cisco ThousandEyes Virtual Appliance Authenticated Web Interface Command Injection Vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-20350
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-16 21:17:12 UTC
Updated2026-09-18 04:17:47 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v3.1 4.7 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Problem Types: CWE-78 | CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
3.1CNACVSSV3_14.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 5.0 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 4.4.4 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 4.4.3 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 4.4.2 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 4.2 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 4.1 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 4.0 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 5.1 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 5.1.2 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 5.1.3 Not specified
CNA Cisco Cisco ThousandEyes Enterprise Agent affected Agent 5.2.0 Not specified

References

ReferenceSourceLinkTags
sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-teva-o... [email protected] sec.cloudapps.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Exploits

CNA: The Cisco PSIRT is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

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