8.6
High
CVE-2026-20224 A vulnerability in the web UI of Cisco Catalyst SD-WAN Manager, formerly SD-WAN vManage, could allow an unauthenticated,…
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 and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Catalyst SD-WAN Manager | 26.1.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 26.0.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.18 | 20.18.1 → 20.18.3 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.16.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.15 | 20.15.1 → 20.15.5 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.14.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.13.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.12 | 20.12.1 → 20.12.501 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.11 | 20.11.1 → 20.11.1.2 | No fix stated |
Show the 17 other branches Hide the 17 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco Catalyst SD-WAN Manager 20.10 | 20.10.1 → 20.10.1.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.9 | 20.9.1EFT2 → 20.9.9 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 20.8.1 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.7 | 20.7.1EFT2 → 20.7.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.6 | 20.6.0.18.3 → 20.6.8 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.5 | 20.5.0.1.1 → 20.5.1.2 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.4 | 20.4.1 → 20.4.2.3 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.3 | 20.3.1 → 20.3.814 | No fix stated |
| Cisco Catalyst SD-WAN Manager 20.1 | 20.1.1 → 20.1.12 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 19.3.0 | No fix stated |
| Cisco Catalyst SD-WAN Manager 19.2 | 19.2.0 → 19.2.929 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 19.1.0 | No fix stated |
| Cisco Catalyst SD-WAN Manager 19.0 | 19.0.0 → 19.0.1a | No fix stated |
| Cisco Catalyst SD-WAN Manager 18.4 | 18.4.0 → 18.4.303 | No fix stated |
| Cisco Catalyst SD-WAN Manager 18.3 | 18.3.0 → 18.3.8 | No fix stated |
| Cisco Catalyst SD-WAN Manager | 18.2.0 | No fix stated |
| Cisco Catalyst SD-WAN Manager 17.2 | 17.2.4 → 17.2.10 | No fix stated |
References
- cisco-sa-sdwan-mltvnps2-JxpWm7R sec.cloudapps.cisco.com
- Cisco Catalyst SD-WAN Controller Authentication Bypass Vulnerability</a> was disclosed in February 2026. This new advisory is for a new vulnerability in the control connection handshaking. The <a href="#IOC">Indicators of Compromise sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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