CVE-2017-12339
Summary
| CVE | CVE-2017-12339 |
|---|---|
| State | PUBLISHED |
| Assigner | cisco |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2017-11-30 09:29:00 UTC |
| Updated | 2025-04-20 01:37:25 UTC |
| Description | A vulnerability in the CLI of Cisco NX-OS System Software could allow an authenticated, local attacker to perform a command injection attack. The vulnerability is due to insufficient input validation of command arguments to the CLI parser. An attacker could exploit this vulnerability by injecting crafted command arguments into a vulnerable CLI command. An exploit could allow the attacker to execute arbitrary commands at the user's privilege level. On products that support multiple virtual device contexts (VDCs), this vulnerability could allow the attacker to execute commands at the user's privilege level outside the user's environment. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 3000 Series Switches, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Nexus 9000 Series Fabric Switches in Application Centric Infrastructure (ACI) mode, Nexus 9000 Series Switches in standalone NX-OS mode, and Nexus 9500 R-Series Line Cards and Fabric Modules. Cisco Bug IDs: CSCve99925, CSCvf15164, CSCvf15167, CSCvf15170, CSCvf15173. |
Risk And Classification
Primary CVSS: v3.0 5.7 MEDIUM from [email protected]
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
EPSS: 0.001860000 probability, percentile 0.400760000 (date 2026-05-14)
Problem Types: CWE-77 | CWE-77 CWE-77
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.0 | [email protected] | Primary | 5.7 | MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L |
| 2.0 | [email protected] | Primary | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
CVSS v3.0 Breakdown
Attack Vector
LocalAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
ChangedConfidentiality
LowIntegrity
LowAvailability
LowCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
PartialIntegrity
PartialAvailability
PartialAV:L/AC:L/Au:N/C:P/I:P/A:P
NVD Known Affected Configurations (CPE 2.3)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Na | Cisco NX-OS | affected Cisco NX-OS | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Cisco NX-OS System Software CVE-2017-12339 Local Command Injection Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| Cisco NX-OS System Software CLI Command Injection Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | tools.cisco.com | Vendor Advisory |
| Cisco NX-OS CLI Parser Bug Lets Local Users Gain Elevated Privileges - SecurityTracker | af854a3a-2127-422b-91ae-364da2661108 | www.securitytracker.com | Third Party Advisory, VDB Entry |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.