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.

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Solution

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Workaround

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History

Thu, 14 May 2026 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 14 May 2026 17:00:00 +0000

Type Values Removed Values Added
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.
Title Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 8.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: cisco

Published:

Updated: 2026-05-14T18:29:53.578Z

Reserved: 2025-10-08T11:59:15.399Z

Link: CVE-2026-20224

cve-icon Vulnrichment

Updated: 2026-05-14T18:29:49.960Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-05-14T17:16:20.353

Modified: 2026-05-14T17:19:57.600

Link: CVE-2026-20224

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-14T18:30:26Z

Weaknesses