9.8
CRITICAL
CVE-2020-3376
Cisco DCNM Unauthenticated Remote Authentication Bypass Vulnerability
Description

A vulnerability in the Device Manager application of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions on an affected device. The vulnerability is due to a failure in the software to perform proper authentication. An attacker could exploit this vulnerability by browsing to one of the hosted URLs in Cisco DCNM. A successful exploit could allow the attacker to interact with and use certain functions within the Cisco DCNM.

INFO

Published Date :

July 31, 2020, 12:15 a.m.

Last Modified :

Nov. 7, 2023, 3:22 a.m.

Remotely Exploitable :

Yes !

Impact Score :

5.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2020-3376 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cisco data_center_network_manager
2 Cisco nexus_dashboard_fabric_controller
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-3376.

URL Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-auth-bypass-JkubGpu3 Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-3376 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-3376 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CVSS V3 Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
    Added CVSS V3.1 Cisco Systems, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
  • Initial Analysis by [email protected]

    Aug. 05, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-auth-bypass-JkubGpu3 No Types Assigned https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-dcnm-auth-bypass-JkubGpu3 Vendor Advisory
    Added CWE NIST CWE-306
    Added CPE Configuration OR *cpe:2.3:a:cisco:data_center_network_manager:11.0\(1\):*:*:*:*:*:*:* *cpe:2.3:a:cisco:data_center_network_manager:11.1\(1\):*:*:*:*:*:*:* *cpe:2.3:a:cisco:data_center_network_manager:11.2\(1\):*:*:*:*:*:*:* *cpe:2.3:a:cisco:data_center_network_manager:11.3\(1\):*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 31, 2020

    Action Type Old Value New Value
    Changed Description A vulnerability in the Device Manager application of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions on an affected device. The vulnerability is due to a failure in the software to perform proper authentication. An attacker could exploit this vulnerability by browsing to one of the hosted URLs in Cisco DCNM. A successful exploit could allow the attacker to interact with and use certain functions within the Cisco DCNM. A vulnerability in the Device Manager application of Cisco Data Center Network Manager (DCNM) could allow an unauthenticated, remote attacker to bypass authentication and execute arbitrary actions on an affected device. The vulnerability is due to a failure in the software to perform proper authentication. An attacker could exploit this vulnerability by browsing to one of the hosted URLs in Cisco DCNM. A successful exploit could allow the attacker to interact with and use certain functions within the Cisco DCNM.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-3376 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.70 }} -0.29%

score

0.80684

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability