Vulnerability Monitor

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CVE-2019-1727

A vulnerability in the Python scripting subsystem of Cisco NX-OS Software could allow an authenticated, local attacker to escape the Python parser and issue arbitrary commands to elevate the attacker's privilege level. The vulnerability is due to insufficient sanitization of user-supplied parameters that are passed to certain Python functions in the scripting sandbox of the affected device. An attacker could exploit this vulnerability to escape the scripting sandbox and execute arbitrary commands to elevate the attacker's privilege level. To exploit this vulnerability, the 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.

Published

2019-05-15T17:29:01.530

Last Modified

2024-11-21T04:37:11.413

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 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-264
  • Type: Primary
    CWE-78
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System cisco nx-os < 8.1\(1b\) Yes
Operating System cisco nx-os < 8.3\(1\) Yes
Hardware cisco mds_9000 - No
Hardware cisco mds_9100 - No
Hardware cisco mds_9200 - No
Hardware cisco mds_9500 - No
Hardware cisco mds_9700 - No
Operating System cisco nx-os < 7.0\(3\)i4\(8\) Yes
Operating System cisco nx-os < 7.0\(3\)i7\(3\) Yes
Hardware cisco nexus_3000 - No
Hardware cisco nexus_3100 - No
Hardware cisco nexus_3100-z - No
Hardware cisco nexus_3100v - No
Hardware cisco nexus_3200 - No
Hardware cisco nexus_3400 - No
Hardware cisco nexus_3500 - No
Hardware cisco nexus_3524-x - No
Hardware cisco nexus_3524-xl - No
Hardware cisco nexus_3548-x - No
Hardware cisco nexus_3548-xl - No
Hardware cisco nexus_3600 - No
Hardware cisco nexus_9000 - No
Hardware cisco nexus_9200 - No
Hardware cisco nexus_9300 - No
Hardware cisco nexus_9500 - No
Operating System cisco nx-os < 7.3\(4\)n1\(1\) Yes
Hardware cisco nexus_5500 - No
Hardware cisco nexus_5600 - No
Hardware cisco nexus_6000 - No
Operating System cisco nx-os < 7.3\(3\)d1\(1\) Yes
Operating System cisco nx-os < 8.3\(1\) Yes
Hardware cisco nexus_7000 - No
Hardware cisco nexus_7700 - No
References