CVE-2026-20350

MEDIUM

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 vu...

Affects 1 product across 1 vendor.

CVSS 3.14.7
EPSS0.3%
Percentile26th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, high privileges required, no user interaction needed, impact contained to the vulnerable component.
CWE Weakness Definitions
CWE-78: OS Command Injection

Attacker injects OS commands through application inputs passed to system() or equivalent calls, leading to arbitrary command execution.

Related Attack Patterns (CAPEC)
CAPEC-43 Exploiting Multiple Input Interpretation Layers
via CWE-78
CAPEC-108 Command Line Execution through SQL Injection
via CWE-78
CAPEC-6 Argument Injection
via CWE-78
CAPEC-15 Command Delimiters
via CWE-78
CAPEC-88 OS Command Injection
via CWE-78

Mapping is CWE-to-CAPEC per MITRE CAPEC 3.9.

◆ AI Analysis — automated analysis, not human-reviewed

A medium severity vulnerability (CVE-2026-20350) affects the target system. 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-sup...

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Frequently Asked Questions
What is CVE-2026-20350?
A medium severity vulnerability (CVE-2026-20350) affects the target system. 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-sup...
What is the CVSS score for CVE-2026-20350?
CVE-2026-20350 has CVSS 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L. EPSS: 0.3%.
Is CVE-2026-20350 actively exploited?
No confirmed active exploitation of CVE-2026-20350 as of 2026-09-25.
How do I remediate CVE-2026-20350?
Apply vendor patches for CVE-2026-20350. Monitor Cisco advisories.
What systems are affected by CVE-2026-20350?
CVE-2026-20350 affects: Cisco.
Vulnerability Details
CVE IDCVE-2026-20350
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Published2026-09-16
Last Modified2026-09-22
ICS Relevance70%
Weakness (CWE)
OS Command Injection
SourceNVD
Official 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.

Source: NIST NVD / MITRE CVE Database

Affected Products
VendorProductFixed Version
Cisco Cisco ThousandEyes Virtual Appliance —
Remediation

No patch URL on record. Monitor vendor security advisories directly.

Threat Intelligence
● Threat Intelligence Validated: September 2026 | Threat Age: 11 Days
CISA KEVNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
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