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CVE-2026-20133

Severity CVSS v4.0:
Pending analysis
Type:
CWE-200 Information Leak / Disclosure
Publication date:
25/02/2026
Last modified:
22/04/2026

Description

A vulnerability in Cisco Catalyst SD-WAN Software could allow an unauthenticated, remote attacker to view sensitive information on an affected system.<br /> <br /> 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.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:* 20.9.8.2 (excluding)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:* 20.10 (including) 20.12.5.3 (excluding)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:* 20.13 (including) 20.15.4.2 (excluding)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:*:*:*:*:*:*:*:* 20.16 (including) 20.18.2.1 (excluding)
cpe:2.3:a:cisco:catalyst_sd-wan_manager:20.12.6:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools