Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2015-0721

Severity CVSS v4.0:
Pending analysis
Type:
CWE-264 Permissions, Privileges, and Access Control
Publication date:
06/10/2016
Last modified:
12/04/2025

Description

Cisco NX-OS 4.0 through 7.3 on Multilayer Director and Nexus 1000V, 2000, 3000, 3500, 4000, 5000, 5500, 5600, 6000, 7000, 7700, and 9000 devices allows remote authenticated users to bypass intended AAA restrictions and obtain privileged CLI access via crafted parameters in an SSH connection negotiation, aka Bug IDs CSCum35502, CSCuw78669, CSCuw79754, and CSCux88492.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.00 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.00
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:nx-os:4.1.\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1.\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1.\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.1.\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(4\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(6\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2\(8\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:4.2.\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(2a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(3\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.0\(5\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.1\(1a\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:5.1\(3\):*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools