system
Describe <CVE-2021-21880>.
user
What is <CVE-2021-21880>?
assistant
A directory traversal vulnerability exists in the Web Manager FsCopyFile functionality of Lantronix PremierWave 2050 8.9.0.0R4. A specially-crafted HTTP request can lead to local file inclusion. An attacker can make an authenticated HTTP request to trigger this vulnerability..