Input validation error in Cisco Small Business 220 Series Smart Switches - CVE-2021-1541
Published: June 16, 2021
Vulnerability identifier: #VU54174
CSH Severity: Medium
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-1541
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input for TFTP configuration parameters. A remote user can pass specially crafted input to the application and execute arbitrary code on the system.
Affected software
Cisco Small Business 220 Series Smart Switches
How to mitigate CVE-2021-1541
Install updates from vendor's website.
Cisco Small Business 220 Series Smart Switches - update to 1.2.0.6