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

Quick assessment

Affected
Cisco Cisco Catalyst SD-WAN Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。

CVSS 8.6 · High EPSS 1.04% · P62

Affected Version Matrix 363

VendorProduct Version RangeStatus
Cisco Cisco Catalyst SD-WAN Manager 20.1.12 affected
19.2.1 affected
18.4.4 affected
18.4.5 affected
20.1.1.1 affected
20.1.1 affected
19.3.0 affected
19.2.2 affected
… +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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
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

Vendor Product Affected Versions CPE Subscribe
Cisco Cisco 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-2026-20182 10.0 CRITICAL Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability
CVE-2026-20209 5.4 MEDIUM Cisco Catalyst SD-WAN Manager Privilege Escalation Vulnerability
CVE-2026-20210 5.4 MEDIUM Cisco 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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