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CVE-2021-1423

Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability

Published: Mar 24, 2021Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-668
NVD MITRE
4.4CVSSMEDIUM
EPSS Score
0.2%
Top 86.5%
CISA KEV
Not in KEV
Exploits
0 Known
Remediation
Patch Available

Description

A vulnerability in the implementation of a CLI command in Cisco Aironet Access Points (AP) could allow an authenticated, local attacker to overwrite files in the flash memory of the device. This vulnerability is due to insufficient input validation for a specific command. An attacker could exploit this vulnerability by issuing a command with crafted arguments. A successful exploit could allow the attacker to overwrite or create files with data that is already present in other files that are hosted on the affected device.

CVSS Vector Breakdown

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

CWE-668

Affected Products

aironet access point softwareciscoNetworking Infrastructure
catalyst 9800 firmwareciscoNetworking Infrastructure
wireless lan controller softwareciscoNetworking Infrastructure
Cisco Aironet 1540Cisco Systems Inc.Networking Infrastructure
Cisco Aironet 1560Cisco Systems Inc.Networking Infrastructure
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
cisco systems inc.commercialUSNetworking Infrastructureaka cisco systems, cisco
and 8 more affected products View all →

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

References

https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ap-foverwrt-HyVXvrtb
tools.cisco.com

Timeline

Published
Mar 24, 2021
Last Updated
Nov 21, 2024

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