CVE-2020-1883: Huawei NIP6800 Firmware

Medium severity, CVSS 4.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Huawei products NIP6800;Secospace USG6600;USG9500 have a memory leak vulnerability. An attacker with high privileges exploits this vulnerability by continuously performing specific operations. Successful exploitation of this vulnerability can cause service abnormal.

Affected products

• Huawei NIP6800 Firmware: version v500r001c60spc500 only
• Huawei Secospace USG6600 Firmware: version v500r001c30spc200 only; version v500r001c30spc600 only; version v500r001c60spc500 only
• Huawei USG9500 Firmware: version v500r001c30spc200 only; version v500r001c30spc600 only; version v500r001c60spc500 only

Published 2020-06-05. Last modified 2026-06-17.