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I. Basic Information for CVE-2026-20126
Vulnerability Information

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Vulnerability Title
Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in Cisco Catalyst SD-WAN Manager could allow an authenticated, local attacker with low privileges to gain root privileges on the underlying operating system. This vulnerability is due to an insufficient user authentication mechanism in the REST API. An attacker could exploit this vulnerability by sending a request to the REST API of the affected system. A successful exploit could allow the attacker to gain root privileges on the underlying operating system.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权API的不正确使用
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Catalyst SD-WAN Manager 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Catalyst SD-WAN Manager(Cisco SD-WAN vManage)是美国思科(Cisco)公司的一个高度可定制的仪表板。可简化和自动化 Cisco SD-WAN 的部署、配置、管理和操作。 Cisco Catalyst SD-WAN Manager存在安全漏洞,该漏洞源于REST API用户身份验证机制不足,可能导致低权限攻击者获取root权限。
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
VendorProductAffected VersionsCPESubscribe
CiscoCisco Catalyst SD-WAN Manager 20.1.12 -
II. Public POCs for CVE-2026-20126
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III. Intelligence Information for CVE-2026-20126
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IV. Related Vulnerabilities
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