Huawei OceanStor 2800 V3, V300R003C00, V300R003C20, OceanStor 5300 V3, V300R003C00, V300R003C10, V300R003C20, OceanStor 5500 V3, V300R003C00, V300R003C10, V300R003C20, OceanStor 5600 V3, V300R003C00, V300R003C10, V300R003C20, OceanStor 5800 V3, V300R003C00, V300R003C10, V300R003C20 have an improper access control vulnerability. Due to incorrectly restrict access to a resource, an attacker with high privilege may exploit the vulnerability to query some information or send specific message to cause some service abnormal.