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CVE-2020-3166

Cisco FXOS Software CLI Arbitrary File Read and Write Vulnerability

Published: Feb 26, 2020Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-20
NVD MITRE
6.7CVSSMEDIUM
EPSS Score
0.3%
Top 80.0%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in the CLI of Cisco FXOS Software could allow an authenticated, local attacker to read or write arbitrary files on the underlying operating system (OS). The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including crafted arguments to a specific CLI command. A successful exploit could allow the attacker to read or write to arbitrary files on the underlying OS.

CVSS Vector Breakdown

AV:LAC:LPR:HUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-20

Affected Products

FX-OSCisco Systems Inc.
EmbeddedFirmware
Networking Infrastructure / router-switch
Adaptive Security ApplianceCisco Systems Inc.
Network Device
Networking Infrastructure / firewall
Firepower Threat DefenseCisco Systems Inc.
On-premSecurity Product
Networking Infrastructure / firewall
Cisco Firepower Extensible Operating System (FXOS)Cisco
On-premFirmware
Networking Infrastructure / firewall
firepower threat defensecisco
On-premSecurity Product
Networking Infrastructure / firewall
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
and 2 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

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Exploitability

0 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20200226-fxos-cli-file
tools.cisco.com
https://cxsecurity.com/cveshow/CVE-2020-3166/
cxsecurity.com
https://nvd.nist.gov/vuln/detail/CVE-2020-3166
nvd.nist.gov
and 1 more references View all →

Timeline

Published
Feb 26, 2020
Last Updated
Nov 21, 2024

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