CVE-2026-20224
HIGH EPSS 48.0%
Published May 14, 20261mo ago · Modified Jun 29, 2026today
8.6 CVSS 3.1
Published May 14, 2026 1mo ago
Last Modified Jun 29, 2026 today
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Changed
Confidentiality High
Integrity None
Availability None
Threat Intelligence
EPSS Exploit Probability
48.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 1
CWE-20 Improper Input Validation Validation
Affected Products 8
| Vendor | Product | Version | Range |
|---|---|---|---|
| cisco | catalyst_sd-wan_manager | * | <20.9.9.1 |
| cisco | catalyst_sd-wan_manager | * | ≥20.10 – <20.12.5.4 |
| cisco | catalyst_sd-wan_manager | * | ≥20.12.6 – <20.12.6.2 |
| cisco | catalyst_sd-wan_manager | * | ≥20.13 – <20.15.4.4 |
| cisco | catalyst_sd-wan_manager | * | ≥20.15.5 – <20.15.5.2 |
| cisco | catalyst_sd-wan_manager | * | ≥20.16 – <20.18.2.2 |
| cisco | catalyst_sd-wan_manager | * | ≥26.1 – <26.1.1.1 |
| cisco | catalyst_sd-wan_manager | 20.12.7 | any |
References 2
- sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-mltvnps2-JxpWm7R
- sec.cloudapps.cisco.com https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sdwan-rpa-EHchtZk
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.