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CiscoCISCO-SA-FILE-OVERWRITE-YNU5PRJD

HistorySep 24, 2020 - 4:00 p.m.

Cisco IOS XE Software Arbitrary File Overwrite Vulnerability

2020-09-2416:00:00

tools.cisco.com

cisco

ios

software

arbitrary file

overwrite

vulnerability

cli

implementation

command

authenticated

local

attacker

validation

parameters

exploit

content

host

file system

update

advisory

EPSS

Percentile

5.1%

JSON

A vulnerability in the CLI implementation of a specific command of Cisco IOS XE Software could allow an authenticated, local attacker to overwrite arbitrary files in the underlying host file system.

The vulnerability is due to insufficient validation of the parameters of a specific CLI command. An attacker could exploit this vulnerability by issuing that command with specific parameters. A successful exploit could allow the attacker to overwrite the content of any arbitrary file that resides on the underlying host file system.

Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-file-overwrite-Ynu5PrJD [“https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-file-overwrite-Ynu5PrJD”]

Affected configurations

Vulners

Node

ciscocisco_ios_xe_softwareMatch16.7

ciscocisco_ios_xe_softwareMatch16.8

ciscocisco_ios_xe_softwareMatch16.9

ciscocisco_ios_xe_softwareMatch16.10

ciscocisco_ios_xe_softwareMatch16.12

ciscocisco_ios_xe_softwareMatchany

ciscocisco_ios_xe_softwareMatch16.7.1

ciscocisco_ios_xe_softwareMatch16.7.1a

ciscocisco_ios_xe_softwareMatch16.7.1b

ciscocisco_ios_xe_softwareMatch16.7.2

ciscocisco_ios_xe_softwareMatch16.7.3

ciscocisco_ios_xe_softwareMatch16.7.4

ciscocisco_ios_xe_softwareMatch16.8.1

ciscocisco_ios_xe_softwareMatch16.8.1a

ciscocisco_ios_xe_softwareMatch16.8.1b

ciscocisco_ios_xe_softwareMatch16.8.1s

ciscocisco_ios_xe_softwareMatch16.8.1c

ciscocisco_ios_xe_softwareMatch16.8.1d

ciscocisco_ios_xe_softwareMatch16.8.2

ciscocisco_ios_xe_softwareMatch16.8.1e

ciscocisco_ios_xe_softwareMatch16.8.3

ciscocisco_ios_xe_softwareMatch16.9.1

ciscocisco_ios_xe_softwareMatch16.9.2

ciscocisco_ios_xe_softwareMatch16.9.1a

ciscocisco_ios_xe_softwareMatch16.9.1b

ciscocisco_ios_xe_softwareMatch16.9.1s

ciscocisco_ios_xe_softwareMatch16.9.1c

ciscocisco_ios_xe_softwareMatch16.9.1d

ciscocisco_ios_xe_softwareMatch16.9.2a

ciscocisco_ios_xe_softwareMatch16.9.2s

ciscocisco_ios_xe_softwareMatch16.10.1

ciscocisco_ios_xe_softwareMatch16.10.1a

ciscocisco_ios_xe_softwareMatch16.10.1b

ciscocisco_ios_xe_softwareMatch16.10.1s

ciscocisco_ios_xe_softwareMatch16.10.1c

ciscocisco_ios_xe_softwareMatch16.10.1e

ciscocisco_ios_xe_softwareMatch16.10.1d

ciscocisco_ios_xe_softwareMatch16.10.1f

ciscocisco_ios_xe_softwareMatch16.10.1g

ciscocisco_ios_xe_softwareMatch16.12.1y

ciscocisco_ios_xe_softwareMatchany

VendorProductVersionCPE
ciscocisco_ios_xe_software16.7cpe:2.3:a:cisco:cisco_ios_xe_software:16.7:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.8cpe:2.3:a:cisco:cisco_ios_xe_software:16.8:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.9cpe:2.3:a:cisco:cisco_ios_xe_software:16.9:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.10cpe:2.3:a:cisco:cisco_ios_xe_software:16.10:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.12cpe:2.3:a:cisco:cisco_ios_xe_software:16.12:*:*:*:*:*:*:*
ciscocisco_ios_xe_softwareanycpe:2.3:a:cisco:cisco_ios_xe_software:any:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.7.1cpe:2.3:a:cisco:cisco_ios_xe_software:16.7.1:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.7.1acpe:2.3:a:cisco:cisco_ios_xe_software:16.7.1a:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.7.1bcpe:2.3:a:cisco:cisco_ios_xe_software:16.7.1b:*:*:*:*:*:*:*
ciscocisco_ios_xe_software16.7.2cpe:2.3:a:cisco:cisco_ios_xe_software:16.7.2:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	cisco_ios_xe_software	16.7	cpe:2.3:a:cisco:cisco_ios_xe_software:16.7:::::::*
cisco	cisco_ios_xe_software	16.8	cpe:2.3:a:cisco:cisco_ios_xe_software:16.8:::::::*
cisco	cisco_ios_xe_software	16.9	cpe:2.3:a:cisco:cisco_ios_xe_software:16.9:::::::*
cisco	cisco_ios_xe_software	16.10	cpe:2.3:a:cisco:cisco_ios_xe_software:16.10:::::::*
cisco	cisco_ios_xe_software	16.12	cpe:2.3:a:cisco:cisco_ios_xe_software:16.12:::::::*
cisco	cisco_ios_xe_software	any	cpe:2.3:a:cisco:cisco_ios_xe_software:any:::::::*
cisco	cisco_ios_xe_software	16.7.1	cpe:2.3:a:cisco:cisco_ios_xe_software:16.7.1:::::::*
cisco	cisco_ios_xe_software	16.7.1a	cpe:2.3:a:cisco:cisco_ios_xe_software:16.7.1a:::::::*
cisco	cisco_ios_xe_software	16.7.1b	cpe:2.3:a:cisco:cisco_ios_xe_software:16.7.1b:::::::*
cisco	cisco_ios_xe_software	16.7.2	cpe:2.3:a:cisco:cisco_ios_xe_software:16.7.2:::::::*