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Vulnerability record · CVE-2020-3461 · published 31 July 2020

CVE-2020-3461: Cisco data center network manager missing authentication for critical function vulnerability

Cisco · Data Center Network Manager

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. The vulnerability is due to missing authentication on a specific part of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the interface. A successful exploit could allow the attacker to read confidential information from an affected device.

5.3 CVSS 3.1 Medium EPSS 1.2% · top 32.4% CWE-306 · Missing authentication for critical function
5.3CVSS 3.1 base score, v2 5.0
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

A vulnerability in the web-based management interface of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to obtain confidential information from an affected device. The vulnerability is due to missing authentication on a specific part of the web-based management interface. An attacker could exploit this vulnerability by sending a crafted request to the interface. A successful exploit could allow the attacker to read confidential information from an affected device.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-info-disclosure-tFX3KerC Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-info-disclosure-tFX3KerC Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2020-3461), CISA KEV, FIRST EPSS (scores of 2026-10-05). This page is refreshed as NVD updates the record.