CVE-2021-22360: Huawei USG9500 Firmware

Medium severity, CVSS 4.9. EPSS: 0.6% chance of exploitation in the next 30 days.

There is a resource management error vulnerability in the verisions V500R001C60SPC500, V500R005C00SPC100, V500R005C00SPC200 of USG9500. An authentication attacker needs to perform specific operations to exploit the vulnerability on the affected device. Due to improper resource management of the function, the vulnerability can be exploited to cause service abnormal on affected devices.

Affected products

• Huawei USG9500 Firmware: version v500r001c60spc500 only; version v500r005c00spc100 only; version v500r005c00spc200 only

Published 2021-05-27. Last modified 2026-06-17.