CVE-2021-22310: Huawei NIP6300 Firmware

Medium severity, CVSS 4.4. EPSS: 0.2% chance of exploitation in the next 30 days.

There is an information leakage vulnerability in some huawei products. Due to the properly storage of specific information in the log file, the attacker can obtain the information when a user logs in to the device. Successful exploit may cause an information leak. Affected product versions include: NIP6300 versions V500R001C00,V500R001C20,V500R001C30;NIP6600 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6300 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6500 versions V500R001C00,V500R001C20,V500R001C30;Secospace USG6600 versions V500R001C00,V500R001C20,V500R001C30,V500R001C50,V500R001C60,V500R001C80;USG9500 versions V500R005C00,V500R005C10.

Affected products

• Huawei NIP6300 Firmware: version v500r001c00 only; version v500r001c20 only; version v500r001c30 only
• Huawei NIP6600 Firmware: version v500r001c00 only; version v500r001c20 only; version v500r001c30 only
• Huawei Secospace USG6300 Firmware: version v500r001c00 only; version v500r001c20 only; version v500r001c30 only
• Huawei Secospace USG6500 Firmware: version v500r001c00 only; version v500r001c20 only; version v500r001c30 only
• Huawei Secospace USG6600 Firmware: version v500r001c00 only; version v500r001c20 only; version v500r001c30 only; version v500r001c50 only; version v500r001c60 only; version v500r001c80 only
• Huawei USG9500 Firmware: version v500r005c00 only; version v500r005c10 only

Published 2021-03-22. Last modified 2026-06-17.