CVE-2026-20224

high Cisco
CVSS v3 Base Score
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
EPSS Score
0.7%
Exploitation probability in 30 days
Top 52% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
None
Availability
None
Published: May 14, 2026 (56 days ago)
Last Modified: June 29, 2026
Vendor: Cisco
Source: NVD

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.

CWE

CWE-20

Affected Products

cisco catalyst sd-wan manager

References

🔗 sec.cloudapps.cisco.com 🔗 sec.cloudapps.cisco.com