7.2
CVSSv2

CVE-2019-1727

Published: 15/05/2019 Updated: 16/10/2020
CVSS v2 Base Score: 7.2 | Impact Score: 10 | Exploitability Score: 3.9
CVSS v3 Base Score: 6.7 | Impact Score: 5.9 | Exploitability Score: 0.8
VMScore: 641
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

Vulnerability Summary

A vulnerability in the Python scripting subsystem of Cisco NX-OS Software could allow an authenticated, local malicious user 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.

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Vendor Advisories

Update from August 25, 2021: Cisco found that this vulnerability was present in additional releases of Cisco NX-OS Software with the introduction of Python 3 support For more information, see the Fixed Software section of this advisory A vulnerability in the Python scripting subsystem of Cisco NX-OS Software could allow an authenticated, local at ...