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Vulnerability Details :

CVE-2019-1727

Summary
Assigner-cisco
Assigner Org ID-d1c1063e-7a18-46af-9102-31f8928bc633
Published At-15 May, 2019 | 16:45
Updated At-21 Nov, 2024 | 19:31
Rejected At-
Credits

Cisco NX-OS Software Python Parser Privilege Escalation Vulnerability

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:cisco
Assigner Org ID:d1c1063e-7a18-46af-9102-31f8928bc633
Published At:15 May, 2019 | 16:45
Updated At:21 Nov, 2024 | 19:31
Rejected At:
▼CVE Numbering Authority (CNA)
Cisco NX-OS Software Python Parser Privilege Escalation Vulnerability

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.

Affected Products
Vendor
Cisco Systems, Inc.Cisco
Product
Cisco NX-OS Software
Versions
Affected
  • From unspecified before 6.2(25) (custom)
  • From unspecified before 8.3(2) (custom)
  • From unspecified before 7.0(3)I7(3) (custom)
  • From unspecified before 9.2(1) (custom)
Problem Types
TypeCWE IDDescription
CWECWE-264CWE-264
Type: CWE
CWE ID: CWE-264
Description: CWE-264
Metrics
VersionBase scoreBase severityVector
3.04.2MEDIUM
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Version: 3.0
Base score: 4.2
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal
vendor-advisory
x_refsource_CISCO
http://www.securityfocus.com/bid/108341
vdb-entry
x_refsource_BID
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal
Resource:
vendor-advisory
x_refsource_CISCO
Hyperlink: http://www.securityfocus.com/bid/108341
Resource:
vdb-entry
x_refsource_BID
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal
vendor-advisory
x_refsource_CISCO
x_transferred
http://www.securityfocus.com/bid/108341
vdb-entry
x_refsource_BID
x_transferred
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190515-nxos-pyth-escal
Resource:
vendor-advisory
x_refsource_CISCO
x_transferred
Hyperlink: http://www.securityfocus.com/bid/108341
Resource:
vdb-entry
x_refsource_BID
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:ykramarz@cisco.com
Published At:15 May, 2019 | 17:29
Updated At:16 Oct, 2020 | 13:09

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.7MEDIUM
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary3.04.2MEDIUM
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Primary2.07.2HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
Type: Primary
Version: 3.1
Base score: 6.7
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 4.2
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Type: Primary
Version: 2.0
Base score: 7.2
Base severity: HIGH
Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CPE Matches

Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 5.2(inclusive) to 8.1\(1b\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 8.2(inclusive) to 8.3\(1\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>mds_9000>>-
cpe:2.3:h:cisco:mds_9000:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>mds_9100>>-
cpe:2.3:h:cisco:mds_9100:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>mds_9200>>-
cpe:2.3:h:cisco:mds_9200:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>mds_9500>>-
cpe:2.3:h:cisco:mds_9500:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>mds_9700>>-
cpe:2.3:h:cisco:mds_9700:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 7.0\(3\)i4(inclusive) to 7.0\(3\)i4\(8\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 7.0\(3\)i5(inclusive) to 7.0\(3\)i7\(3\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3000>>-
cpe:2.3:h:cisco:nexus_3000:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3100>>-
cpe:2.3:h:cisco:nexus_3100:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3100-z>>-
cpe:2.3:h:cisco:nexus_3100-z:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3100v>>-
cpe:2.3:h:cisco:nexus_3100v:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3200>>-
cpe:2.3:h:cisco:nexus_3200:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3400>>-
cpe:2.3:h:cisco:nexus_3400:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3500>>-
cpe:2.3:h:cisco:nexus_3500:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3524-x>>-
cpe:2.3:h:cisco:nexus_3524-x:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3524-xl>>-
cpe:2.3:h:cisco:nexus_3524-xl:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3548-x>>-
cpe:2.3:h:cisco:nexus_3548-x:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3548-xl>>-
cpe:2.3:h:cisco:nexus_3548-xl:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_3600>>-
cpe:2.3:h:cisco:nexus_3600:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_9000>>-
cpe:2.3:h:cisco:nexus_9000:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_9200>>-
cpe:2.3:h:cisco:nexus_9200:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_9300>>-
cpe:2.3:h:cisco:nexus_9300:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_9500>>-
cpe:2.3:h:cisco:nexus_9500:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 7.3(inclusive) to 7.3\(4\)n1\(1\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_5500>>-
cpe:2.3:h:cisco:nexus_5500:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_5600>>-
cpe:2.3:h:cisco:nexus_5600:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_6000>>-
cpe:2.3:h:cisco:nexus_6000:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 6.2(inclusive) to 7.3\(3\)d1\(1\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nx-os>>Versions from 8.0(inclusive) to 8.3\(1\)(exclusive)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_7000>>-
cpe:2.3:h:cisco:nexus_7000:-:*:*:*:*:*:*:*
Cisco Systems, Inc.
cisco
>>nexus_7700>>-
cpe:2.3:h:cisco:nexus_7700:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-78Primarynvd@nist.gov
CWE-264Secondaryykramarz@cisco.com
CWE ID: CWE-78
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-264
Type: Secondary
Source: ykramarz@cisco.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

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

Change History

0
Information is not available yet

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