Cisco Catalyst SD-WAN Manager up to 26.1.1_LI_Images XML File Parser xml external entity reference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.8 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in Cisco Catalyst SD-WAN Manager. The impacted element is an unknown function of the component XML File Parser. This manipulation causes xml external entity reference. This vulnerability is handled as CVE-2026-20224. The attack can be initiated remotely. There is not any exploit available. It is advisable to upgrade the affected component.
Details
A vulnerability was found in Cisco Catalyst SD-WAN Manager. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component XML File Parser. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
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.
It is possible to read the advisory at sec.cloudapps.cisco.com. This vulnerability is known as CVE-2026-20224 since 10/08/2025. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2026).
The vulnerability scanner Nessus provides a plugin with the ID 315344 (Cisco Catalyst SD-WAN Manager Vulnerabilities (cisco-sa-sdwan-mltvnps2-JxpWm7R)), which helps to determine the existence of the flaw in a target environment.
Upgrading eliminates this vulnerability.
The vulnerability is also documented in the databases at Tenable (315344) and CERT Bund (WID-SEC-2026-1540). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Affected
- Cisco Catalyst SD-WAN Manager
Product
Type
Vendor
Name
Version
- 17.2.4
- 17.2.5
- 17.2.6
- 17.2.7
- 17.2.8
- 17.2.9
- 17.2.10
- 18.2.0
- 18.3.0
- 18.3.1
- 18.3.1.1
- 18.3.3
- 18.3.3.1
- 18.3.4
- 18.3.5
- 18.3.6
- 18.3.6.1
- 18.3.7
- 18.3.8
- 18.4.0
- 18.4.0.1
- 18.4.1
- 18.4.3
- 18.4.4
- 18.4.5
- 18.4.6
- 18.4.302
- 18.4.303
- 18.4.501_ES
- 19.0.0
- 19.0.1a
- 19.1.0
- 19.2.0
- 19.2.097
- 19.2.098
- 19.2.099
- 19.2.1
- 19.2.2
- 19.2.3
- 19.2.4
- 19.2.4.0.1
- 19.2.4.0.8
- 19.2.4.0.9
- 19.2.31
- 19.2.32
- 19.2.929
- 19.3.0
- 20.1.1
- 20.1.1.1
- 20.1.2
- 20.1.2_937
- 20.1.3
- 20.1.3.1
- 20.1.12
- 20.3.1
- 20.3.2
- 20.3.2.0.5
- 20.3.2.0.6
- 20.3.2.1
- 20.3.2.1_927
- 20.3.2.1_930
- 20.3.2_925
- 20.3.2_928
- 20.3.2_929
- 20.3.2_937
- 20.3.3
- 20.3.3.0.2
- 20.3.3.0.4
- 20.3.3.0.8
- 20.3.3.0.14
- 20.3.3.0.16
- 20.3.3.0.17
- 20.3.3.0.18
- 20.3.3.1
- 20.3.3.1.1
- 20.3.3.1.2
- 20.3.3.1.5
- 20.3.3.1.7
- 20.3.3.1.10
- 20.3.3.2
- 20.3.4
- 20.3.4.0.1
- 20.3.4.0.5
- 20.3.4.0.6
- 20.3.4.0.9
- 20.3.4.0.11
- 20.3.4.0.19
- 20.3.4.0.20
- 20.3.4.0.24
- 20.3.4.0.25
- 20.3.4.0.26
- 20.3.4.1
- 20.3.4.1.1
- 20.3.4.1.2
- 20.3.4.2
- 20.3.4.2.1
- 20.3.4.2.2
- 20.3.4.3
- 20.3.5
- 20.3.5.0.7
- 20.3.5.0.8
- 20.3.5.0.9
- 20.3.5.1
- 20.3.6
- 20.3.7
- 20.3.7.1
- 20.3.7.2
- 20.3.8
- 20.3.813
- 20.3.814
- 20.4.1
- 20.4.1.0.01
- 20.4.1.0.02
- 20.4.1.0.1
- 20.4.1.1
- 20.4.1.1.5
- 20.4.1.2
- 20.4.2
- 20.4.2.0.1
- 20.4.2.0.2
- 20.4.2.0.4
- 20.4.2.1
- 20.4.2.1.1
- 20.4.2.2
- 20.4.2.2.1
- 20.4.2.2.2
- 20.4.2.2.3
- 20.4.2.2.4
- 20.4.2.2.8
- 20.4.2.3
- 20.5.0.1.1
- 20.5.1
- 20.5.1.0.1
- 20.5.1.0.2
- 20.5.1.1
- 20.5.1.2
- 20.6.0.18.3
- 20.6.0.18.4
- 20.6.1
- 20.6.1.0.1
- 20.6.1.1
- 20.6.1.2
- 20.6.2
- 20.6.2.0.4
- 20.6.2.1
- 20.6.2.2
- 20.6.2.2.2
- 20.6.2.2.3
- 20.6.2.2.4
- 20.6.2.2.7
- 20.6.3
- 20.6.3.0.2
- 20.6.3.0.5
- 20.6.3.0.7
- 20.6.3.0.10
- 20.6.3.0.11
- 20.6.3.0.14
- 20.6.3.0.18
- 20.6.3.0.19
- 20.6.3.0.23
- 20.6.3.0.25
- 20.6.3.0.27
- 20.6.3.0.29
- 20.6.3.0.31
- 20.6.3.0.32
- 20.6.3.0.33
- 20.6.3.0.38
- 20.6.3.0.39
- 20.6.3.0.40
- 20.6.3.0.41
- 20.6.3.0.45
- 20.6.3.0.46
- 20.6.3.0.47
- 20.6.3.0.51
- 20.6.3.1
- 20.6.3.1.1
- 20.6.3.2
- 20.6.3.3
- 20.6.3.4
- 20.6.4
- 20.6.4.0.4
- 20.6.4.0.19
- 20.6.4.0.21
- 20.6.4.1
- 20.6.4.2
- 20.6.5
- 20.6.5.1
- 20.6.5.1.2
- 20.6.5.1.3
- 20.6.5.1.4
- 20.6.5.1.5
- 20.6.5.1.6
- 20.6.5.1.7
- 20.6.5.1.9
- 20.6.5.1.10
- 20.6.5.1.11
- 20.6.5.1.13
- 20.6.5.1.14
- 20.6.5.2
- 20.6.5.2.1
- 20.6.5.2.3
- 20.6.5.2.4
- 20.6.5.2.8
- 20.6.5.3
- 20.6.5.4
- 20.6.5.5
- 20.6.6
- 20.6.6.0.1
- 20.6.7
- 20.6.8
- 20.7.1
- 20.7.1.0.2
- 20.7.1.1
- 20.7.1EFT2
- 20.7.2
- 20.8.1
- 20.9.1
- 20.9.1.1
- 20.9.1EFT2
- 20.9.1_LI_Images
- 20.9.2
- 20.9.2.0.01
- 20.9.2.1
- 20.9.2.2
- 20.9.2.3
- 20.9.2_LI_Images
- 20.9.3
- 20.9.3.0.2
- 20.9.3.0.3
- 20.9.3.0.4
- 20.9.3.0.5
- 20.9.3.0.7
- 20.9.3.0.8
- 20.9.3.0.12
- 20.9.3.0.16
- 20.9.3.0.17
- 20.9.3.0.18
- 20.9.3.0.20
- 20.9.3.0.21
- 20.9.3.0.23
- 20.9.3.0.24
- 20.9.3.0.25
- 20.9.3.0.26
- 20.9.3.0.29
- 20.9.3.1
- 20.9.3.2
- 20.9.3.2_LI_Images
- 20.9.3_LI_ Images
- 20.9.4
- 20.9.4.0.4
- 20.9.4.1
- 20.9.4.1.1
- 20.9.4.1.3
- 20.9.4.1.6
- 20.9.4.1_LI_Images
- 20.9.4_LI_Images
- 20.9.5
- 20.9.5.1
- 20.9.5.1.4
- 20.9.5.1_LI_Images
- 20.9.5.2
- 20.9.5.2.1
- 20.9.5.2.7
- 20.9.5.2.13
- 20.9.5.2.14
- 20.9.5.2.16
- 20.9.5.2.21
- 20.9.5.2_LI_Images
- 20.9.5.3
- 20.9.5.3_LI_Images
- 20.9.5_LI_Images
- 20.9.6
- 20.9.6.0.3
- 20.9.6_LI_Images
- 20.9.7
- 20.9.7.1
- 20.9.7.1_LI _Images
- 20.9.7_LI _Images
- 20.9.8
- 20.9.8.2
- 20.9.8.2_LI_Images
- 20.9.8_LI_Images
- 20.9.9
- 20.9.9_LI_Images
- 20.10.1
- 20.10.1.1
- 20.10.1.2
- 20.10.1_LI_Images
- 20.11.1
- 20.11.1.1
- 20.11.1.2
- 20.11.1_LI_Images
- 20.12.1
- 20.12.1_LI_Images
- 20.12.2
- 20.12.2_LI_Images
- 20.12.3
- 20.12.3.1
- 20.12.3_LI_Images
- 20.12.4
- 20.12.4.0.03
- 20.12.4.0.4
- 20.12.4.0.6
- 20.12.4.1
- 20.12.4.1_LI_Images
- 20.12.4_LI_Images
- 20.12.4_Monthly_ES5
- 20.12.5
- 20.12.5.1
- 20.12.5.1.01
- 20.12.5.1_LI_Images
- 20.12.5.2
- 20.12.5.2_LI_Images
- 20.12.5.3
- 20.12.5.3_LI_Images
- 20.12.5.4
- 20.12.5.4_LI_ Images
- 20.12.5_LI_Images
- 20.12.6
- 20.12.6.1
- 20.12.6.1_LI_Images
- 20.12.6.2_LI_Images
- 20.12.6_LI_Images
- 20.12.7
- 20.12.7.1
- 20.12.7.1_LI_Images
- 20.12.7_LI_Images
- 20.12.401
- 20.12.501
- 20.13.1
- 20.13.1_LI_Images
- 20.14.1
- 20.14.1_LI_Images
- 20.15.1
- 20.15.1_LI_Images
- 20.15.2
- 20.15.2_LI_Images
- 20.15.3
- 20.15.3.1
- 20.15.4
- 20.15.4.1
- 20.15.4.1_LI_Images
- 20.15.4.2
- 20.15.4.2_LI_Images
- 20.15.4_LI_Images
- 20.15.5
- 20.15.5_LI_Images
- 20.16.1
- 20.16.1_LI_Images
- 20.18.1
- 20.18.1_LI_Images
- 20.18.2
- 20.18.2.1
- 20.18.2.1_LI_Images
- 20.18.2.2
- 20.18.2.2_LI_Images
- 20.18.2_LI_Images
- 20.18.3
- 20.18.3_LI_Images
- 26.0.1
- 26.1.1
- 26.1.1_LI_Images
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.9VulDB Meta Temp Score: 7.8
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 8.6
CNA Vector (cisco): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Xml external entity referenceCWE: CWE-611 / CWE-610
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 315344
Nessus Name: Cisco Catalyst SD-WAN Manager Vulnerabilities (cisco-sa-sdwan-mltvnps2-JxpWm7R)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Timeline
10/08/2025 CVE reserved05/14/2026 Advisory disclosed
05/14/2026 VulDB entry created
05/20/2026 VulDB entry last update
Sources
Vendor: cisco.comAdvisory: cisco-sa-sdwan-mltvnps2-JxpWm7R
Status: Confirmed
CVE: CVE-2026-20224 (🔒)
GCVE (CVE): GCVE-0-2026-20224
GCVE (VulDB): GCVE-100-363931
CERT Bund: WID-SEC-2026-1540 - Cisco Catalyst SD-WAN Manager: Mehrere Schwachstellen
Entry
Created: 05/14/2026 20:01Updated: 05/20/2026 03:55
Changes: 05/14/2026 20:01 (65), 05/17/2026 10:23 (7), 05/20/2026 03:55 (2)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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