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I. Basic Information for CVE-2026-20128
Vulnerability Information

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Vulnerability Title
Cisco Catalyst SD-WAN Manager Information Disclosure Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the Data Collection Agent (DCA) feature of Cisco Catalyst SD-WAN Manager could allow an unauthenticated, remote attacker to gain DCA user privileges on an affected system. This vulnerability is due to the presence of a credential file for the DCA user on an affected system. An attacker could exploit this vulnerability by sending a crafted HTTP request and reading the file that contains the DCA password from that affected system. A successful exploit could allow the attacker to access another affected system and gain DCA user privileges. Note: Cisco Catalyst SD-WAN Manager releases 20.18 and later are not affected by this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
以可恢复格式存储口令
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Catalyst SD-WAN Manager(Cisco SD-WAN vManage) 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,该漏洞源于存在DCA用户凭据文件,可能导致本地攻击者获得DCA用户权限。
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-2026-20128
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III. Intelligence Information for CVE-2026-20128
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IV. Related Vulnerabilities
V. Comments for CVE-2026-20128

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