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Cisco NX-OS Software-Based Products Authentication, Authorization, and Accounting Bypass Vulnerability

Information

Severity

Severity

Critical

Family

Family

CISCO

CVSSv2 Base

CVSSv2 Base

9.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:S/C:C/I:C/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

3 years ago

Summary

A vulnerability in the SSH subsystem of the Cisco Nexus family of products could allow an authenticated, remote attacker to bypass authentication, authorization, and accounting (AAA) restrictions.

Insight

Insight

The vulnerability is due to the improper processing of certain parameters that are passed to an affected device during the negotiation of an SSH connection. An attacker could exploit this vulnerability by authenticating to an affected device and passing a malicious value as part of the login procedure.

Detection Method

Detection Method

Checks if a vulnerable version is present on the target host.

Solution

Solution

See the referenced vendor advisory for a solution.

Common Vulnerabilities and Exposures (CVE)