CVE-2021-1423

Summary

CVECVE-2021-1423
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-03-24 21:15:00 UTC
Updated2023-11-07 03:28:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-668

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Cisco 1100 Integrated Services Router - All All All
Hardware Cisco Aironet 1540 - All All All
Hardware Cisco Aironet 1560 - All All All
Hardware Cisco Aironet 1800 - All All All
Hardware Cisco Aironet 2800 - All All All
Hardware Cisco Aironet 3800 - All All All
Hardware Cisco Aironet 4800 - All All All
Application Cisco Aironet Access Point Software - All All All
Hardware Cisco Catalyst 9100 - All All All
Hardware Cisco Catalyst 9800 - All All All
Operating System Cisco Catalyst 9800 Firmware All All All All
Operating System Cisco Catalyst 9800 Firmware All All All All
Hardware Cisco Catalyst Iw6300 - All All All
Hardware Cisco Esw6300 - All All All
Hardware Cisco Isr 1100 - All All All
Application Cisco Wireless Lan Controller Software All All All All

References

ReferenceSourceLinkTags
Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability CISCO tools.cisco.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
© CVE.report 2026 |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report