Input validation error in Cisco Systems, Inc products - CVE-2021-40127
Published: November 4, 2021
Vulnerability identifier: #VU57957
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-40127
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the web-based management interface. A remote attacker can send a crafted HTTP request and perform a denial of service (DoS) attack.
Affected software
Cisco Small Business 200 Series Smart Switches
Cisco Small Business 300 Series Managed Switches
Cisco Small Business 500 Series Stackable Managed Switches
Cisco Small Business 300 Series Managed Switches
Cisco Small Business 500 Series Stackable Managed Switches
How to mitigate CVE-2021-40127
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.