CVE-2026-20133Cisco Catalyst SD-WAN Manager Exposure of Sensitive Information to an Unauthorized Actor Vulnerability
A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system. This vulnerability is due to insufficient file system restrictions. An authenticated attacker with netadmin privileges could exploit this vulnerability by accessing the vshell of an affected system. A successful exploit could allow the attacker to read sensitive information on the underlying operating system.
Overview
Severity
| Score | Severity | Version | Vector String |
|---|---|---|---|
| 7.5 | HIGH | 3.1NVD | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| 6.5 | MEDIUM | 3.1cisco (CNA) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
CISA required action
⚡ Known exploited · remediation due Apr 23, 2026
Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
Details
- CVE ID
- CVE-2026-20133
- Status
- Analyzed
- Assigner (CNA)
- cisco
- Published
- Feb 25, 2026
- Last modified
- 2026-06-17 10:17 UTC
- Weaknesses
- CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
Affected Products
As published by the CNA in the CVE record.
CiscoCisco Catalyst SD-WAN Manager161 version ranges
- 17.2.6
- 17.2.7
- 17.2.8
- 17.2.9
- 17.2.10
- 17.2.4
- 17.2.5
- 18.3.1.1
- 18.3.3.1
- 18.3.3
- 18.3.4
- 18.3.5
- 18.3.7
- 18.3.8
- 18.3.6.1
- 18.3.1
- 18.3.0
- 18.4.0.1
- 18.4.3
- 18.4.302
- 18.4.303
- 18.4.4
- 18.4.5
- 18.4.0
- 18.4.1
- 18.4.6
- 19.2.0
- 19.2.097
- 19.2.099
- 19.2.1
- 19.2.2
- 19.2.3
- 19.2.31
- 19.2.929
- 19.2.4
- 20.1.1.1
- 20.1.12
- 20.1.1
- 20.1.2
- 20.1.3
- 19.3.0
- 19.1.0
- 18.2.0
- 20.3.1
- 20.3.2
- 20.3.2.1
- 20.3.3
- 20.3.3.1
- 20.3.4
- 20.3.4.1
- 20.3.4.2
- 20.3.5
- 20.3.6
- 20.3.7
- 20.3.7.1
- 20.3.4.3
- 20.3.5.1
- 20.3.7.2
- 20.3.8
- 20.4.1
- 20.4.1.1
- 20.4.1.2
- 20.4.2
- 20.4.2.2
- 20.4.2.1
- 20.4.2.3
- 20.5.1
- 20.5.1.2
- 20.5.1.1
- 20.6.1
- 20.6.1.1
- 20.6.2.1
- 20.6.2.2
- 20.6.2
- 20.6.3
- 20.6.3.1
- 20.6.4
- 20.6.5
- 20.6.5.1
- 20.6.5.3
- 20.6.1.2
- 20.6.3.2
- 20.6.4.1
- 20.6.5.2
- 20.6.5.4
- 20.6.3.3
- 20.6.4.2
- 20.6.3.0.45
- 20.6.3.0.46
- 20.6.3.0.47
- 20.6.3.4
- 20.6.4.0.21
- 20.6.5.1.10
- 20.6.5.1.11
- 20.6.5.1.7
- 20.6.5.1.9
- 20.6.5.2.4
- 20.6.5.5
- 20.6.5.2.8
- 20.6.5.1.13
- 20.6.6
- 20.6.7
- 20.6.8
- 20.7.1
- 20.7.1.1
- 20.7.2
- 20.8.1
- 20.9.1
- 20.9.2
- 20.9.2.1
- 20.9.3
- 20.9.3.1
- 20.9.2.3
- 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
- 20.9.3.2
- 20.9.3.2_LI_Images
- 20.9.4
- 20.9.4_LI_Images
- 20.9.3.0.23
- 20.9.4.1
- 20.9.5
- 20.9.5.1
- 20.9.5.2
- 20.9.6
- 20.9.5.3
- 20.9.7
- 20.9.7.1
- 20.9.8
- 20.10.1
- 20.10.1.1
- 20.10.1.2
- 20.11.1
- 20.11.1.1
- 20.11.1.2
- 20.12.1
- 20.12.1_LI_Images
- 20.12.2
- 20.12.3
- 20.12.3.1
- 20.12.4
- 20.12.4.1
- 20.12.5
- 20.12.5.1
- 20.12.5.2
- 20.12.6
- 20.13.1
- 20.14.1
- 20.15.1
- 20.15.2
- 20.15.3
- 20.15.3.1
- 20.15.4
- 20.15.4.1
- 20.16.1
- 20.18.1
- 20.18.2