CVE-2026-20224: high-severity vulnerability in Cisco Catalyst SD-WAN Manager
Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
Published
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41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.6epss 1.1%
from disclosure to weapon1 day
Published on NVDMay 14
1st PoC+1d
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Affected products
Cisco · Cisco Catalyst SD-WAN Managerpublic PoCs found — 1
githubgithub.com/fevar54/CVE-2026-20224---XXE-Injection-en-Cisco-Catalyst-SD-WAN-Manager★ 0⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — Cisco Catalyst SD-WAN Manager
In the same product, most dangerous first.
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