CVE-2017-12332

mediumpriority · track · 18EPSS 0.003 · 25 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.33% (25th) EPSS

CVSS 4.9 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisco_csaf · nvd

EPSS · scored 2026-10-28

A 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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco NX-OS Softwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

4.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.9mediumAV:L/AC:L/Au:N/C:N/I:C/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 6.9

v3.04.4mediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 0.8 · impact 3.6

v3.04.1mediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.04.4mediumCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:Nsecondary · Cisco PSIRT US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-434USprimary

affected products (5)

Products and version ranges known to be affected.

Cisco Cisco NX-OS Softwareall versionscisco_csafUS
n/a Cisco NX-OS≤ Cisco NX-OSenisa_euvdEU
cisco nx-os= 8.1(0)bd(0.20)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco nx-os= 8.1(1)nvdUScpe:2.3:o:cisco:nx-os:*:*:*:*:*:*:*:*
cisco unified computing system= 7.0(0)hsk(0.357)nvdUScpe:2.3:a:cisco:unified_computing_system:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-20171129-nxos1Cisco NX-OS System Software Patch Installation Arbitrary File Write Vulnerability2017-11-29csaf · cisco_csafUS
A 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. There are no workarounds that address this vulnerability.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisco_csaf nvd NVD CVE.org MITRE

published 2017-11-30modified 2026-06-17

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+5032 more

references (7)

External citations — patches, advisories, analysis.

scry

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