CVE-2017-12332

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Summary

CVECVE-2017-12332
StatePUBLISHED
Assignercisco
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-11-30 09:29:00 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionA vulnerability in Cisco NX-OS System Software patch installation could allow an authenticated, local attacker to write a file to arbitrary locations. The vulnerability is due to insufficient restrictions in the patch installation process. An attacker could exploit this vulnerability by installing a crafted patch image on an affected device. The vulnerable operation occurs prior to patch activation. An exploit could allow the attacker to write arbitrary files on an affected system as root. The attacker would need valid administrator credentials to perform this exploit. This vulnerability affects the following products running Cisco NX-OS System Software: Multilayer Director Switches, Nexus 2000 Series Fabric Extenders, Nexus 5000 Series Switches, Nexus 5500 Platform Switches, Nexus 5600 Platform Switches, Nexus 6000 Series Switches, Nexus 7000 Series Switches, Nexus 7700 Series Switches, Unified Computing System Manager. Cisco Bug IDs: CSCvf16513, CSCvf23794, CSCvf23832.

Risk And Classification

Primary CVSS: v3.0 4.4 MEDIUM from [email protected]

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

EPSS: 0.001730000 probability, percentile 0.383770000 (date 2026-05-14)

Problem Types: CWE-434 | CWE-434 CWE-434

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary4.4MEDIUMCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary4.9AV:L/AC:L/Au:N/C:N/I:C/A:N

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Complete
Availability
None

AV:L/AC:L/Au:N/C:N/I:C/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Cisco Nx-os 8.1\(0\)bd\(0.20\) All All All
Operating System Cisco Nx-os 8.1\(1\) All All All
Application Cisco Unified Computing System 7.0\(0\)hsk\(0.357\) All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Cisco NX-OS affected Cisco NX-OS Not specified

References

ReferenceSourceLinkTags
Cisco NX-OS Flaw Lets Local Users Write Arbitrary Files on the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
Cisco NX-OS System Software CVE-2017-12332 Arbitrary File Write Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com
Cisco NX-OS System Software Patch Installation Arbitrary File Write Vulnerability af854a3a-2127-422b-91ae-364da2661108 tools.cisco.com Vendor Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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