CVE-2026-20224
Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
HIGH 8.6
At a glance
- Source
- NVD
- EPSS
- EPSS 1.09 % · percentile 65 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- cisco
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-20 — Improper Input Validation
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | cisco |
| CVSS 3.1 | HIGH 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N | NVD · psirt@cisco.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-30325
- GCVE · GCVE-0-2026-20224
CERT-FR advisories
- CERTFR-2026-AVI-0594 — Multiples vulnérabilités dans les produits Cisco · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*< 20.9.9.1cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.10 < 20.12.5.4cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.12.6 < 20.12.6.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.13 < 20.15.4.4cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.15.5 < 20.15.5.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 20.16 < 20.18.2.2cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:*≥ 26.1 < 26.1.1.1cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.7:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Cisco · Cisco Catalyst SD-WAN Manager | affected 20.1.12 ; affected 19.2.1 ; affected 18.4.4 ; affected 18.4.5 ; affected 20.1.1.1 ; affected 20.1.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |