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CVE-2026-20224— Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability

CVSS 8.6 · High EPSS 0.03% · P10

Affected Version Matrix 363

VendorProductVersion RangeStatus
CiscoCisco Catalyst SD-WAN Manager20.1.12affected
19.2.1affected
18.4.4affected
18.4.5affected
20.1.1.1affected
20.1.1affected
19.3.0affected
19.2.2affected
… +355 more rows
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I. Basic Information for CVE-2026-20224

Vulnerability Information
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Vulnerability Title
Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated, remote attacker to read arbitrary files that are stored in an affected system. The attacker does not need to have valid user credentials. This vulnerability is due to improper handling of XML External Entity (XXE) entries when parsing an XML file. An attacker could exploit this vulnerability by sending a crafted request to an affected system. A successful exploit could allow the attacker to read arbitrary files that are stored in the affected system.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
输入验证不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Catalyst SD-WAN Manager 输入验证错误漏洞
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存在输入验证错误漏洞，该漏洞源于解析XML文件时对XML外部实体条目处理不当，可能导致未经身份验证的远程攻击者读取受影响系统中存储的任意文件。
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-2026-20224

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III. Intelligence Information for CVE-2026-20224

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Vendor Advisories for CVE-2026-20224 (2)

Same Patch Batch · Cisco · 2026-05-14 · 4 CVEs total

CVE-2026-2018210.0 CRITICALCisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
CVE-2026-202105.4 MEDIUMCisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
CVE-2026-202095.4 MEDIUMCisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability

IV. Related Vulnerabilities

Same product: Cisco Catalyst SD-WAN Manager
Same vendor: Cisco
Same weakness: CWE-20

V. Comments for CVE-2026-20224

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