What is CVE-2026-20042?

CVE-2026-20042 is a medium-severity vulnerability in Cisco Nexus Dashboard, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2026-04-01.

How severe is CVE-2026-20042?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Cisco Nexus Dashboard

CVE-2026-20042

A vulnerability in the configuration backup feature of Cisco Nexus Dashboard could allow an attacker who has the encryption password and access to Full or Config-only backup files to access sensitive information. This vulnerability exis…

Vulnerability class: Improper Certificate Validation

EPSS: 0.000 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Cisco Nexus Dashboard — versions 1.1(3e), 1.1(3c), 1.1(3d)

Weakness classification (CWE)

CWE-295 — Improper Certificate Validation

References

cisco-sa-nd-cbid-5YqkOSHu

Frequently asked questions

What is CVE-2026-20042?: CVE-2026-20042 is a medium-severity vulnerability in Cisco Nexus Dashboard, classified under Improper Certificate Validation. CVSS score: 6.5/10. Published 2026-04-01.
How severe is CVE-2026-20042?: Medium severity. CVSS v3 base score is 6.5 out of 10.