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

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CVE-2017-6650

Severity CVSS v4.0:
Pending analysis
Type:
CWE-20 Input Validation
Publication date:
22/05/2017
Last modified:
20/04/2025

Description

A vulnerability in the Telnet CLI command of Cisco NX-OS System Software 7.1 through 7.3 running on Cisco Nexus Series Switches could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting crafted command arguments into the Telnet CLI command. An exploit could allow the attacker to read or write arbitrary files at the user's privilege level outside of the user's path. Cisco Bug IDs: CSCvb86771.

Impact

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

Base Score: 7.80 HIGH
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0
4.60
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:cisco:nx-os:7.1\(1\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.1\(2\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.1\(3\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.1\(3\)n1\(2\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.1\(3\)n1\(2.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.1\(3\)n1\(3.12\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.1\(4\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.2\(0\)d1\(0.437\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.2\(0\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.2\(0\)zz\(99.1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.2\(1\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:o:cisco:nx-os:7.3\(0\)n1\(1\):*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5548up:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5596t:-:*:*:*:*:*:*:*
cpe:2.3:h:cisco:nexus_5596up:-:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools