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Security Advisory - DoS Vulnerability in the OceanStor 5800

  • SA No:huawei-sa-20160622-01-oceanstor
  • Initial Release Date: Jun 22, 2016
  • Last Release Date: Jul 06, 2016

The OceanStor 5800 Storage Systems are mid-range storage products newly developed by Huawei.

Huawei Oceanstor 5800 has a DoS vulnerability. An attacker may send massive abnormal HTTP packets to the device. As a result, the HTTP service generates a high CPU usage, and the device denies services. (Vulnerability ID: HWPSIRT-2016-05248)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2016-5822.

Huawei has released software updates to fix these vulnerabilities. This advisory is available at the following link:

Product Name

Affected Version

Resolved Product and Version

OceanStor 5800 V3



Successful exploit cloud allow an attacker to cause the device to deny services.

The vulnerability classification has been performed by using the CVSSv2 scoring system (

Base Score: 7.8 (AV:N/AC:L/Au:N/C:N/I:N/A:C)

Temporal Score: 6.4 (E:F/RL:O/RC:C)

1. Prerequisite:

The attacker can connect to the network of the affected device;

2. Attacking procedure:

The attacker sends massive abnormal HTTP packets containing incorrectly coded fields to the device. As a result, the HTTP service generates a high CPU usage, and the device denies services.

Customers should contact Huawei TAC (Huawei Technical Assistance Center) to request the upgrades. For TAC contact information, please refer to Huawei worldwide website at

This vulnerability was discovered by Huawei internal tester.

2016-07-06 V1.1 UPDATED Updated the "Software Versions and Fixes" section and the assigned a CVE ID to the vulnerability.

2016-06-22 V1.0 INITIAL

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