CVE-2021-1423

Cisco Aironet Access Points Arbitrary File Overwrite Vulnerability

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.

Category

4.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory cisco.com
Affected: Cisco Cisco Aironet Access Point Software
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-1423?
CVE-2021-1423 has been scored as a medium severity vulnerability.
How to fix CVE-2021-1423?
To fix CVE-2021-1423, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-1423 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-1423 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-1423?
CVE-2021-1423 affects Cisco Cisco Aironet Access Point Software.
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