CVE-2025-20126— Cisco ThousandEyes Endpoint Agent Certificate Validation Vulnerability
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I. Basic Information for CVE-2025-20126
Vulnerability Information
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Vulnerability Title
Cisco ThousandEyes Endpoint Agent Certificate Validation Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in certification validation routines of Cisco ThousandEyes Endpoint Agent for macOS and RoomOS could allow an unauthenticated, remote attacker to intercept or manipulate metrics information. This vulnerability exists because the affected software does not properly validate certificates for hosted metrics services. An on-path attacker could exploit this vulnerability by intercepting network traffic using a crafted certificate. A successful exploit could allow the attacker to masquerade as a trusted host and monitor or change communications between the remote metrics service and the vulnerable client.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
证书验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco ThousandEyes Endpoint Agent 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco ThousandEyes Endpoint Agent是美国思科（Cisco）公司的一个端点代理程序。 Cisco ThousandEyes Endpoint Agent存在安全漏洞，该漏洞源于没有正确验证托管指标服务的证书。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Cisco | Cisco ThousandEyes Endpoint Agent | 1.200 | - |
II. Public POCs for CVE-2025-20126
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Cisco · 2025-01-08 · 5 CVEs total
| CVE-2025-20166 | 5.4 MEDIUM | Cisco Common Services Platform Collector Cross-Site Scripting Vulnerability |
| CVE-2025-20167 | 5.4 MEDIUM | Cisco Common Services Platform Collector Cross-Site Scripting Vulnerability |
| CVE-2025-20168 | 5.4 MEDIUM | Cisco Common Services Platform Collector Cross-Site Scripting Vulnerability |
| CVE-2025-20123 | 4.8 MEDIUM | Cisco Crosswork Network Controller Stored Cross-Site Scripting Vulnerability |
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Same weakness: CWE-295
V. Comments for CVE-2025-20126
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