There is a information leak vulnerability in some Huawei products, and it could allow a local attacker to get information. The vulnerability is due to the improper management of the username. An attacker with the ability to access the device and cause the username information leak. Affected product versions include: CloudEngine 12800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800, V200R019C00SPC800; CloudEngine 5800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800, V200R019C00SPC800; CloudEngine 6800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800, V200R005C20SPC800, V200R019C00SPC800; CloudEngine 7800 versions V200R002C50SPC800, V200R003C00SPC810, V200R005C00SPC800, V200R005C10SPC800, V200R019C00SPC800