CVE-2026-20224
Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
Severity
High 8.6
CVSS 3.1
Exploited
Not listed
EPSS
0.010
60.6th percentile
Discovered by
Vendor
Published by the vendor
Published
May 14, 2026
Assigned by cisco
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.
Weakness: CWE-20
Affected products
| Vendor | Product | Category | Matched by |
|---|---|---|---|
| Cisco | Cisco Catalyst SD-WAN Manager | Network & Security Management | cna-assigner |
Vendor-reported affected versions (1)
- Cisco · Cisco Catalyst SD-WAN Manager