CVE-2021-40127 Information
Description
A vulnerability in the web-based management interface of Cisco Small Business 200 Series Smart Switches Cisco Small Business 300 Series Managed Switches and Cisco Small Business 500 Series Stackable Managed Switches could allow an unauthenticated remote attacker to render the web-based management interface unusable resulting in a denial of service (DoS) condition. This vulnerability is due to improper validation of HTTP requests. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause a permanent invalid redirect for requests sent to the web-based management interface of the device resulting in a DoS condition.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Reference
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
NONE
Base Score
LOW
Base Severity
5.3
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