What is CVE-2022-20858?

CVE-2022-20858 is a critical-severity vulnerability in Cisco Nexus Dashboard, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2022-07-21.

How severe is CVE-2022-20858?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Cisco Nexus Dashboard

CVE-2022-20858

Multiple vulnerabilities in Cisco Nexus Dashboard could allow an unauthenticated, remote attacker to execute arbitrary commands, read or upload container image files, or perform a cross-site request forgery attack. For more information about these vulnerabilities, see the Details section of this advisory.

Vulnerability class: Broken Authentication

Published 2022-07-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (70.0th percentile), scored 2026-10-24.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ndb-mhcv… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2022-20858?: CVE-2022-20858 is a critical-severity vulnerability in Cisco Nexus Dashboard, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2022-07-21.
How severe is CVE-2022-20858?: Critical severity. CVSS v3 base score is 9.8 out of 10.