CVE-2018-0306 : A vulnerability in the CLI parser of Cisco NX-OS Software could allow an authent

A vulnerability in the CLI parser of Cisco NX-OS Software could allow an authenticated, local attacker to perform a command-injection attack on an affected device. The vulnerability is due to insufficient input validation of command arguments. An attacker could exploit this vulnerability by injecting malicious command arguments into a vulnerable CLI command. A successful exploit could allow the attacker to execute arbitrary commands with root privileges on the affected device. Note: This vulnerability requires that any feature license is uploaded to the device. The vulnerability does not require that the license be used. This vulnerability affects MDS 9000 Series Multilayer Switches, Nexus 1000V Series Switches, Nexus 1100 Series Cloud Services Platforms, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 3500 Platform Switches, Nexus 3600 Platform 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 in standalone NX-OS mode, Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCve51693, CSCve91634, CSCve91659, CSCve91663.

Published 2018-06-21 11:29:01

Updated 2020-09-04 16:01:02

Source Cisco Systems, Inc.

View at NVD, CVE.org

Vulnerability category: Input validation

Products affected by CVE-2018-0306

Cisco » Nx-os
Versions before (<) 5.2\(1\)sv3\(3.15\)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 1000v » Version: N/A
When used together with: Cisco » Nexus 1110-s » Version: N/A
When used together with: Cisco » Nexus 1110-x » Version: N/A
Cisco » Nx-os
Versions before (<) 7.3\(3\)n1\(1\)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 5000 » Version: N/A
When used together with: Cisco » Nexus 5010 » Version: N/A
When used together with: Cisco » Nexus 5020 » Version: N/A
When used together with: Cisco » Nexus 5548p » Version: N/A
When used together with: Cisco » Nexus 5548up » Version: N/A
When used together with: Cisco » Nexus 5596t » Version: N/A
When used together with: Cisco » Nexus 5596up » Version: N/A
When used together with: Cisco » Nexus 56128p » Version: N/A
When used together with: Cisco » Nexus 5624q » Version: N/A
When used together with: Cisco » Nexus 5648q » Version: N/A
When used together with: Cisco » Nexus 5672up » Version: N/A
When used together with: Cisco » Nexus 5696q » Version: N/A
Cisco » Nx-os
Versions before (<) 8.1\(1a\)
cpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Mds 9132t » Version: N/A
When used together with: Cisco » Mds 9148 » Version: N/A
When used together with: Cisco » Mds 9148s » Version: N/A
When used together with: Cisco » Mds 9148t » Version: N/A
When used together with: Cisco » Mds 9222i » Version: N/A
When used together with: Cisco » Mds 9250i » Version: N/A
When used together with: Cisco » Mds 9396s » Version: N/A
When used together with: Cisco » Mds 9396t » Version: N/A
When used together with: Cisco » Mds 9506 » Version: N/A
When used together with: Cisco » Mds 9509 » Version: N/A
When used together with: Cisco » Mds 9513 » Version: N/A
When used together with: Cisco » Mds 9706 » Version: N/A
When used together with: Cisco » Mds 9710 » Version: N/A
When used together with: Cisco » Mds 9718 » Version: N/A
Cisco » Nx-os » Version: 8.1(1)
cpe:2.3:o:cisco:nx-os:8.1\(1\):*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 92160yc-x » Version: N/A
When used together with: Cisco » Nexus 92304qc » Version: N/A
When used together with: Cisco » Nexus 9236c » Version: N/A
When used together with: Cisco » Nexus 9272q » Version: N/A
When used together with: Cisco » Nexus 93108tc-ex » Version: N/A
When used together with: Cisco » Nexus 93120tx » Version: N/A
When used together with: Cisco » Nexus 93128tx » Version: N/A
When used together with: Cisco » Nexus 93180yc-ex » Version: N/A
When used together with: Cisco » Nexus 9332pq » Version: N/A
When used together with: Cisco » Nexus 9372px » Version: N/A
When used together with: Cisco » Nexus 9372tx » Version: N/A
When used together with: Cisco » Nexus 9396px » Version: N/A
When used together with: Cisco » Nexus 9396tx » Version: N/A
When used together with: Cisco » Nexus 9504 » Version: N/A
When used together with: Cisco » Nexus 9508 » Version: N/A
When used together with: Cisco » Nexus 9516 » Version: N/A
When used together with: Cisco » Nexus N9k-c9508-fm-r » Version: N/A
When used together with: Cisco » Nexus N9k-x9636c-r » Version: N/A
When used together with: Cisco » Nexus N9k-x9636q-r » Version: N/A
Cisco » Nx-os » Version: 8.1(0.59)s0
cpe:2.3:o:cisco:nx-os:8.1\(0.59\)s0:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 92160yc-x » Version: N/A
When used together with: Cisco » Nexus 92304qc » Version: N/A
When used together with: Cisco » Nexus 9236c » Version: N/A
When used together with: Cisco » Nexus 9272q » Version: N/A
When used together with: Cisco » Nexus 93108tc-ex » Version: N/A
When used together with: Cisco » Nexus 93120tx » Version: N/A
When used together with: Cisco » Nexus 93128tx » Version: N/A
When used together with: Cisco » Nexus 93180yc-ex » Version: N/A
When used together with: Cisco » Nexus 9332pq » Version: N/A
When used together with: Cisco » Nexus 9372px » Version: N/A
When used together with: Cisco » Nexus 9372tx » Version: N/A
When used together with: Cisco » Nexus 9396px » Version: N/A
When used together with: Cisco » Nexus 9396tx » Version: N/A
When used together with: Cisco » Nexus 9504 » Version: N/A
When used together with: Cisco » Nexus 9508 » Version: N/A
When used together with: Cisco » Nexus 9516 » Version: N/A
When used together with: Cisco » Nexus N9k-c9508-fm-r » Version: N/A
When used together with: Cisco » Nexus N9k-x9636c-r » Version: N/A
When used together with: Cisco » Nexus N9k-x9636q-r » Version: N/A
Cisco » Nx-os » Version: 6.0(2)a8(3)
cpe:2.3:o:cisco:nx-os:6.0\(2\)a8\(3\):*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 172tq-xl » Version: N/A
When used together with: Cisco » Nexus 3016 » Version: N/A
When used together with: Cisco » Nexus 3048 » Version: N/A
When used together with: Cisco » Nexus 3064-32t » Version: N/A
When used together with: Cisco » Nexus 3064-t » Version: N/A
When used together with: Cisco » Nexus 3064-x » Version: N/A
When used together with: Cisco » Nexus 3100-v » Version: N/A
When used together with: Cisco » Nexus 31128pq » Version: N/A
When used together with: Cisco » Nexus 3132c-z » Version: N/A
When used together with: Cisco » Nexus 3132q » Version: N/A
When used together with: Cisco » Nexus 3132q-x » Version: N/A
When used together with: Cisco » Nexus 3132q-xl » Version: N/A
When used together with: Cisco » Nexus 3164q » Version: N/A
When used together with: Cisco » Nexus 3172pq » Version: N/A
When used together with: Cisco » Nexus 3172pq-xl » Version: N/A
When used together with: Cisco » Nexus 3172tq » Version: N/A
When used together with: Cisco » Nexus 3172tq-32t » Version: N/A
When used together with: Cisco » Nexus 3232c » Version: N/A
When used together with: Cisco » Nexus 3264c-e » Version: N/A
When used together with: Cisco » Nexus 3264q » Version: N/A
When used together with: Cisco » Nexus 34180yc » Version: N/A
When used together with: Cisco » Nexus 3524-x » Version: N/A
When used together with: Cisco » Nexus 3524-xl » Version: N/A
When used together with: Cisco » Nexus 3548 » Version: N/A
When used together with: Cisco » Nexus 3548-x » Version: N/A
When used together with: Cisco » Nexus 3548-xl » Version: N/A
When used together with: Cisco » Nexus 3636c-r » Version: N/A
When used together with: Cisco » Nexus C36180yc-r » Version: N/A
Cisco » Nx-os » Version: 8.1(0)bd(0.20)
cpe:2.3:o:cisco:nx-os:8.1\(0\)bd\(0.20\):*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 92160yc-x » Version: N/A
When used together with: Cisco » Nexus 92304qc » Version: N/A
When used together with: Cisco » Nexus 9236c » Version: N/A
When used together with: Cisco » Nexus 9272q » Version: N/A
When used together with: Cisco » Nexus 93108tc-ex » Version: N/A
When used together with: Cisco » Nexus 93120tx » Version: N/A
When used together with: Cisco » Nexus 93128tx » Version: N/A
When used together with: Cisco » Nexus 93180yc-ex » Version: N/A
When used together with: Cisco » Nexus 9332pq » Version: N/A
When used together with: Cisco » Nexus 9372px » Version: N/A
When used together with: Cisco » Nexus 9372tx » Version: N/A
When used together with: Cisco » Nexus 9396px » Version: N/A
When used together with: Cisco » Nexus 9396tx » Version: N/A
When used together with: Cisco » Nexus 9504 » Version: N/A
When used together with: Cisco » Nexus 9508 » Version: N/A
When used together with: Cisco » Nexus 9516 » Version: N/A
When used together with: Cisco » Nexus N9k-c9508-fm-r » Version: N/A
When used together with: Cisco » Nexus N9k-x9636c-r » Version: N/A
When used together with: Cisco » Nexus N9k-x9636q-r » Version: N/A
Cisco » Nx-os » Version: 8.1(0.2)s0
cpe:2.3:o:cisco:nx-os:8.1\(0.2\)s0:*:*:*:*:*:*:*
Matching versions
When used together with: Cisco » Nexus 7000 » Version: N/A
When used together with: Cisco » Nexus 7700 » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2018-0306

EPSS FAQ

0.04%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 6 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2018-0306

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.2	HIGH	AV:L/AC:L/Au:N/C:C/I:C/A:C	3.9	10.0	NIST
Access Vector: Local Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-0306

CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Assigned by: ykramarz@cisco.com (Secondary)
CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-0306

http://www.securitytracker.com/id/1041169

Cisco NX-OS Multiple Bugs Let Remote Users Deny Service and Execute Arbitrary Code and Let Remote Authenticated Users Gain Elevated Privileges - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180620-nx-os-cli-execution

Cisco NX-OS Software CLI Arbitrary Command Execution Vulnerability
Vendor Advisory

Jump to

Vulnerability Details : CVE-2018-0306

Products affected by CVE-2018-0306

Exploit prediction scoring system (EPSS) score for CVE-2018-0306

CVSS scores for CVE-2018-0306

CWE ids for CVE-2018-0306

References for CVE-2018-0306