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.
Affected products
cisco: catalyst sd-wan manager
References2
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAd… Vendor Advisory
- sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAd… Not Applicable
Metrics
- CVSS 3.1
-
8.6
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N - EPSS — exploit probability
- 1% percentile: 66 · as of 14 November 2026
- CWE
- CWE-20
Could this be exploited in your environment?
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