CVE-2026-20133

State: Published
Severity: 6.5 Medium
Published: Feb 25, 2026
Updated: Apr 22, 2026
Reserved: Oct 8, 2025

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N	cisco

Weaknesses

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

Affected Products

Product	Versions
Cisco Catalyst SD-WAN ManagerCisco	17.2.6Affected 17.2.7Affected 17.2.8Affected 17.2.9Affected 17.2.10Affected 17.2.4Affected 17.2.5Affected 18.3.1.1Affected 18.3.3.1Affected 18.3.3Affected 18.3.4Affected 18.3.5Affected 18.3.7Affected 18.3.8Affected 18.3.6.1Affected 18.3.1Affected 18.3.0Affected 18.4.0.1Affected 18.4.3Affected 18.4.302Affected 18.4.303Affected 18.4.4Affected 18.4.5Affected 18.4.0Affected 18.4.1Affected and 136 more versions

Product

Versions

Cisco Catalyst SD-WAN ManagerCisco

17.2.6Affected
17.2.7Affected
17.2.8Affected
17.2.9Affected
17.2.10Affected
17.2.4Affected
17.2.5Affected
18.3.1.1Affected
18.3.3.1Affected
18.3.3Affected
18.3.4Affected
18.3.5Affected
18.3.7Affected
18.3.8Affected
18.3.6.1Affected
18.3.1Affected
18.3.0Affected
18.4.0.1Affected
18.4.3Affected
18.4.302Affected
18.4.303Affected
18.4.4Affected
18.4.5Affected
18.4.0Affected
18.4.1Affected
and 136 more versions

References

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