NVD

CVE-2019-1727 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 6.7 MEDIUM

Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score

CNA: Cisco Systems, Inc.

Base Score: 4.2 MEDIUM

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 7.2 HIGH

Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.securityfocus.com/bid/108341	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/108341	Third Party Advisory VDB Entry
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal	Vendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-78	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')	NIST
CWE-264	Permissions, Privileges, and Access Controls	Cisco Systems, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Initial Analysis by NIST 5/17/2019 9:59:26 AM

Action	Type	Old Value	New Value
Added	CVSS V3		AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Added	CVSS V2		(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added	CWE		CWE-264
Added	CPE Configuration		AND OR cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 5.2 up to (excluding) 8.1\(1b\) cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 8.2 up to (excluding) 8.3\(1\) OR cpe:2.3:h:cisco:mds_9000:-:::::::* cpe:2.3:h:cisco:mds_9100:-:::::::* cpe:2.3:h:cisco:mds_9200:-:::::::* cpe:2.3:h:cisco:mds_9500:-:::::::* cpe:2.3:h:cisco:mds_9700:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 6.2 up to (excluding) 7.3\(3\)d1\(1\) cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 8.0 up to (excluding) 8.3\(1\) OR cpe:2.3:h:cisco:nexus_7000:-:::::::* cpe:2.3:h:cisco:nexus_7700:-:::::::*
Added	CPE Configuration		Record truncated, showing 500 of 1120 characters. View Entire Change Record AND OR cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 7.0\(3\)i4 up to (excluding) 7.0\(3\)i4\(8\) cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 7.0\(3\)i5 up to (excluding) 7.0\(3\)i7\(3\) OR cpe:2.3:h:cisco:nexus_3000:-:::::::* cpe:2.3:h:cisco:nexus_3100:-:::::::* cpe:2.3:h:cisco:nexus_3100-z:-:::::::* cpe:2.3:h:cisco:nexus_3100v:-:::::::* cpe:2.3:h:cisco
Added	CPE Configuration		AND OR cpe:2.3:o:cisco:nx-os::::::::* versions from (including) 7.3 up to (excluding) 7.3\(4\)n1\(1\) OR cpe:2.3:h:cisco:nexus_5500:-:::::::* cpe:2.3:h:cisco:nexus_5600:-:::::::* cpe:2.3:h:cisco:nexus_6000:-:::::::*
Changed	Reference Type	http://www.securityfocus.com/bid/108341 No Types Assigned	http://www.securityfocus.com/bid/108341 Third Party Advisory, VDB Entry
Changed	Reference Type	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal No Types Assigned	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal Vendor Advisory

Quick Info

CVE Dictionary Entry:
CVE-2019-1727
NVD Published Date:
05/15/2019
NVD Last Modified:
11/20/2024
Source:
Cisco Systems, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2019-1727 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/20/2024 11:37:11 PM

CVE Modified by Cisco Systems, Inc. 5/14/2024 1:53:29 AM

Modified Analysis by NIST 10/16/2020 9:09:58 AM

CVE Modified by Cisco Systems, Inc. 10/09/2019 7:47:50 PM

Initial Analysis by NIST 5/17/2019 9:59:26 AM

CVE Modified by Cisco Systems, Inc. 5/16/2019 6:29:01 AM

Quick Info