CVE-2026-20224
Cisco Catalyst SD-WAN Manager XML External Entity Injection Vulnerability
CVSS Score
8.6
EPSS Score
0.0%
EPSS Percentile
0th
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 |
| Vendor | cisco |
| Product | cisco catalyst sd-wan manager |
| Ecosystems | |
| Industries | NetworkingTelecommunications |
| Published | May 14, 2026 |
| Last Updated | May 14, 2026 |
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CVSS v3 Breakdown
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
Affected Versions
Cisco / Cisco Catalyst SD-WAN Manager
20.1.12 19.2.1 18.4.4 18.4.5 20.1.1.1 20.1.1 19.3.0 19.2.2 19.2.099 18.3.6 18.3.7 19.2.0 18.3.8 19.0.0 19.1.0 18.4.302 18.4.303 19.2.097 19.2.098 17.2.10 18.3.6.1 19.0.1a 18.2.0 18.4.3 18.4.1 17.2.8 18.3.3.1 18.4.0 18.3.1 17.2.6 17.2.9 18.3.4 17.2.5 18.3.1.1 18.3.5 18.4.0.1 18.3.3 17.2.7 17.2.4 18.3.0 19.2.3 18.4.501_ES 20.3.1 20.1.2 19.2.929 19.2.31 20.3.2 19.2.32 20.3.2_925 20.3.2.1 20.3.2.1_927 18.4.6 20.1.2_937 20.4.1 20.3.2_928 20.3.2_929 20.4.1.0.1 20.3.2.1_930 19.2.4 20.5.0.1.1 20.4.1.1 20.3.3 19.2.4.0.1 20.3.2_937 20.3.3.1 20.5.1 20.1.3 20.3.3.0.4 20.3.3.1.2 20.3.3.1.1 20.4.1.2 20.3.3.0.2 20.4.1.1.5 20.4.1.0.01 20.4.1.0.02 20.3.3.1.7 20.3.3.1.5 20.5.1.0.1 20.3.3.1.10 20.3.3.0.8 20.4.2 20.4.2.0.1 20.3.4 20.3.3.0.14 19.2.4.0.8 19.2.4.0.9 20.3.4.0.1 20.3.2.0.5 20.6.1 20.5.1.0.2 20.3.3.0.17 20.6.1.1 20.6.0.18.3 20.3.2.0.6 20.6.0.18.4 20.4.2.0.2 20.3.3.0.16 20.3.4.0.5 20.6.1.0.1 20.3.4.0.6 20.6.2 20.7.1EFT2 20.3.4.0.9 20.3.4.0.11 20.4.2.0.4 20.3.3.0.18 20.7.1 20.6.2.1 20.3.4.1 20.5.1.1 20.4.2.1 20.4.2.1.1 20.3.4.1.1 20.3.813 20.3.4.0.19 20.4.2.2.1 20.5.1.2 20.3.4.2 20.3.814 20.4.2.2 20.6.2.2 20.3.4.2.1 20.7.1.1 20.3.4.1.2 20.6.2.2.2 20.3.4.0.20 20.6.2.2.3 20.4.2.2.2 20.3.5 20.6.2.0.4 20.4.2.2.3 20.3.4.0.24 20.6.2.2.7 20.6.3 20.3.4.2.2 20.4.2.2.4 20.7.1.0.2 20.8.1 20.3.5.0.8 20.3.5.0.9 20.4.2.2.8 20.3.5.0.7 20.6.3.0.7 20.6.3.0.5 20.6.3.0.10 20.6.3.0.2 20.7.2 20.9.1EFT2 20.6.3.0.11 20.6.3.1 20.6.3.0.14 20.6.4 20.9.1 20.6.3.0.19 20.6.3.0.18 20.3.6 20.9.1.1 20.6.3.0.23 20.6.4.0.4 20.6.3.0.25 20.6.5 20.6.3.0.27 20.9.2 20.9.2.1 20.6.3.0.29 20.6.3.0.31 20.6.3.0.32 20.10.1 20.6.3.0.33 20.9.2.0.01 20.9.1_LI_Images 20.10.1_LI_Images 20.9.2_LI_Images 20.3.7 20.9.3 20.6.5.1 20.11.1 20.11.1_LI_Images 20.9.3_LI_ Images 20.6.3.1.1 20.9.3.0.2 20.6.5.1.2 20.9.3.0.3 20.4.2.3 20.6.3.2 20.6.4.1 20.6.3.0.38 20.6.3.0.39 20.3.5.1 20.3.4.3 20.9.3.1 20.3.3.2 20.6.5.2 20.3.7.1 20.10.1.1 20.6.5.2.1 20.3.4.0.25 20.6.2.2.4 20.6.1.2 20.11.1.1 20.9.3.0.5 20.3.4.0.26 20.6.5.1.3 20.6.3.0.40 20.1.3.1 20.9.2.2 20.6.5.2.3 20.6.5.1.4 20.6.5.3 20.6.3.0.41 20.9.3.0.7 20.6.5.1.5 20.9.3.0.4 20.6.4.0.19 20.6.5.1.6 20.9.3.0.8 20.6.3.3 20.3.7.2 20.6.5.4 20.6.5.1.7 20.9.3.0.12 20.6.4.2 20.6.5.5 20.9.3.2 20.11.1.2 20.6.3.4 20.10.1.2 20.6.5.1.9 20.9.3.0.16 20.6.3.0.45 20.6.5.1.10 20.9.3.0.17 20.6.5.2.4 20.6.4.0.21 20.9.3.0.18 20.6.3.0.46 20.6.3.0.47 20.9.2.3 20.9.3.2_LI_Images 20.9.3.0.21 20.9.3.0.20 20.9.4_LI_Images 20.9.4 20.6.5.1.11 20.12.1 20.12.1_LI_Images 20.6.5.1.13 20.9.3.0.23 20.6.5.2.8 20.9.4.1 20.9.4.1_LI_Images 20.9.3.0.25 20.9.3.0.24 20.6.5.1.14 20.3.8 20.6.6 20.9.3.0.26 20.6.3.0.51 20.9.3.0.29 20.12.2 20.12.2_LI_Images 20.6.6.0.1 20.13.1_LI_Images 20.9.4.0.4 20.13.1 20.9.4.1.1 20.9.5 20.9.5_LI_Images 20.12.3_LI_Images 20.12.3 20.9.4.1.3 20.6.7 20.9.5.1 20.9.5.1_LI_Images 20.9.4.1.6 20.14.1 20.14.1_LI_Images 20.9.5.2 20.9.5.2.1 20.9.5.2_LI_Images 20.12.3.1 20.12.4 20.15.1_LI_Images 20.15.1 20.9.5.1.4 20.9.5.2.7 20.9.5.2.13 20.9.6 20.9.6_LI_Images 20.9.5.2.14 20.6.8 20.12.4.0.03 20.16.1 20.16.1_LI_Images 20.12.4_LI_Images 20.9.5.2.16 20.12.4.0.4 20.12.401 20.9.5.3 20.9.5.3_LI_Images 20.12.4.1_LI_Images 20.12.4.1 20.9.5.2.21 20.9.6.0.3 20.12.4.0.6 20.15.2_LI_Images 20.15.2 20.12.4_Monthly_ES5 20.12.5 20.12.5_LI_Images 20.9.7_LI _Images 20.9.7 20.15.3 20.15.3_ LI _Images 20.12.501 20.12.5.1_LI_Images 20.12.5.1 20.12.5.2_LI_Images 20.12.5.2 20.15.3.1 20.15.4_LI_Images 20.15.4 20.9.7.1_LI _Images 20.9.7.1 20.18.1 20.18.1_LI_Images 20.12.6_LI_Images 20.12.6 20.12.5.1.01 26.0.1 20.9.8 20.9.8_LI_Images 20.18.2 20.15.4.1_LI_Images 20.15.4.1 20.18.2_LI_Images 26.1.1 26.1.1_LI_Images 20.18.2.1_LI_Images 20.18.2.1 20.15.4.2_LI_Images 20.15.4.2 20.12.6.1 20.12.6.1_LI_Images 20.12.5.3 20.12.5.3_LI_Images 20.9.8.2_LI_Images 20.9.8.2 20.18.3 20.18.3_LI_Images 20.15.5 20.15.5_LI_Images 20.12.7 20.12.7_LI_Images 20.9.9 20.9.9_LI_Images 20.18.2.2 20.18.2.2_LI_Images 20.12.5.4 20.12.5.4_LI_ Images 20.12.7.1_LI_Images 20.12.6.2_LI_Images 20.12.7.1