Vulnerability Monitor

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CVE-2017-12301

A vulnerability in the Python scripting subsystem of Cisco NX-OS Software could allow an authenticated, local attacker to escape the Python parser and gain unauthorized access to the underlying operating system of the device. The vulnerability exists due to insufficient sanitization of user-supplied parameters that are passed to certain Python functions within the scripting sandbox of the affected device. An attacker could exploit this vulnerability to escape the scripting sandbox and execute arbitrary commands on the underlying operating system with the privileges of the authenticated user. To exploit this vulnerability, an attacker must have local access and be authenticated to the targeted device with administrative or Python execution privileges. These requirements could limit the possibility of a successful exploit. This vulnerability affects the following Cisco products if they are running Cisco NX-OS Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Switches - Standalone, NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCvb86832, CSCvd86474, CSCvd86479, CSCvd86484, CSCvd86490, CSCve97102, CSCvf12757, CSCvf12804, CSCvf12815, CSCvf15198.

Published

2017-10-19T08:29:00.733

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 6.7 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.9

Impact Score

10.0

Weaknesses
  • Type: Secondary
    CWE-20
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco nx-os 7.0\(3\)i4\(6\) Yes
Operating System cisco nx-os 8.1\(0\)bd\(0.20\) Yes
Hardware cisco multilayer_director - No
Hardware cisco nexus_2000 - No
Hardware cisco nexus_3048 - No
Hardware cisco nexus_3064 - No
Hardware cisco nexus_3064t - No
Hardware cisco nexus_3064x - No
Hardware cisco nexus_3500 - No
Hardware cisco nexus_3524 - No
Hardware cisco nexus_3548 - No
Hardware cisco nexus_5500 - No
Hardware cisco nexus_5548p - No
Hardware cisco nexus_5548up - No
Hardware cisco nexus_5596t - No
Hardware cisco nexus_5596up - No
Hardware cisco nexus_5600 - No
Hardware cisco nexus_56128p - No
Hardware cisco nexus_5624q - No
Hardware cisco nexus_5648q - No
Hardware cisco nexus_5672up - No
Hardware cisco nexus_5696q - No
Hardware cisco nexus_6000 - No
Hardware cisco nexus_6001 - No
Hardware cisco nexus_6004 - No
Hardware cisco nexus_6004x - No
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7000_10-slot - No
Hardware cisco nexus_7000_18-slot - No
Hardware cisco nexus_7000_9-slot - No
Hardware cisco nexus_7700 - No
Hardware cisco nexus_9000 - No
Hardware cisco nexus_9500_r - No
Operating System cisco nx-os 7.3\(2\)d1\(0.21\) Yes
Operating System cisco nx-os 8.0\(0.74\) Yes
Operating System cisco nx-os 8.0\(1\) Yes
Operating System cisco nx-os 8.1\(0.70\)s0 Yes
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7000_10-slot - No
Hardware cisco nexus_7000_18-slot - No
Hardware cisco nexus_7000_9-slot - No
Operating System cisco nx-os 6.0\(2\)a8\(3\) Yes
Operating System cisco nx-os 6.0\(2\)a8\(6.213\) Yes
Operating System cisco nx-os 8.1\(0\)bd\(0.20\) Yes
Hardware cisco nexus_3000 - No
Hardware cisco nexus_3016 - No
Hardware cisco nexus_3016q - No
Hardware cisco nexus_3048 - No
Hardware cisco nexus_3064 - No
Hardware cisco nexus_3064t - No
Hardware cisco nexus_3064x - No
Operating System cisco nx-os 7.0\(0\)hsk\(0.357\) Yes
Hardware cisco nexus_5000 - No
Hardware cisco nexus_5010 - No
Hardware cisco nexus_5010p_switch - No
References