Vulnerability in Cisco Catalyst Sd-Wan Manager

CVE-2026-20294

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to view sensitive information in clear text on an affected system. This vulnerability is due to insufficient access control enforcement for specific template types that are not included in the encryption allowlist. A low-privileged attacker could exploit this vulnerability by viewing logs on the local system or on a remote logging server. A successful exploit could allow the attacker to view sensitive authentication credentials, which could lead to further compromise of network infrastructure and connected services.

EPSS: 0.001 (3.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-20294?
CVE-2026-20294 is a medium-severity vulnerability in Cisco Catalyst Sd-Wan Manager, classified under Cleartext Transmission of Sensitive Information. CVSS score: 6.5/10. Published 2026-08-05.
How severe is CVE-2026-20294?
Medium severity. CVSS v3 base score is 6.5 out of 10.