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Vulnerability of Cisco Data Center Network Manager: Man-in-the-Middle via Certificate Validation

Synthesis of the vulnerability 

An attacker can act as a Man-in-the-Middle via Certificate Validation on Cisco Data Center Network Manager, in order to read or write data in the session.
Vulnerable products: Cisco Prime DCNM.
Severity of this weakness: 2/4.
Number of vulnerabilities in this bulletin: 2.
Creation date: 21/01/2021.
Références of this bulletin: CERTFR-2021-AVI-052, cisco-sa-dcnm-cert-check-BdZZV9T3, CSCvv35346, CSCvv35348, CSCvv35354, CSCvv82441, CVE-2021-1276, CVE-2021-1277, VIGILANCE-VUL-34386.

Description of the vulnerability 

An attacker can act as a Man-in-the-Middle via Certificate Validation on Cisco Data Center Network Manager, in order to read or write data in the session.
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This cybersecurity threat impacts software or systems such as Cisco Prime DCNM.

Our Vigil@nce team determined that the severity of this computer threat note is medium.

The trust level is of type confirmed by the editor, with an origin of internet server.

This bulletin is about 2 vulnerabilities.

An attacker with a expert ability can exploit this security threat.

Solutions for this threat 

Cisco Data Center Network Manager: solution CSCvv35346 CSCvv35348 CSCvv35354 CSCvv82441.
The solution is described on the Cisco site:
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv35346
  https://tools.cisco.com/bugsearch/bug/CSCvv35346
  https://tools.cisco.com/quickview/bug/CSCvv35346
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv35348
  https://tools.cisco.com/bugsearch/bug/CSCvv35348
  https://tools.cisco.com/quickview/bug/CSCvv35348
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv35354
  https://tools.cisco.com/bugsearch/bug/CSCvv35354
  https://tools.cisco.com/quickview/bug/CSCvv35354
  https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvv82441
  https://tools.cisco.com/bugsearch/bug/CSCvv82441
  https://tools.cisco.com/quickview/bug/CSCvv82441
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