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Security Advisory - Plaintext User Password Vulnerability in VCN500 Logs

  • SA No:SA No: Huawei-SA-20151126-04-VCN500
  • Initial Release Date: Nov 26, 2015
  • Last Release Date: Nov 26, 2015

Huawei VCN500 (Video Cloud Node) logs user passwords in plaintext for specific operations on the certain interface, leading to user password leakage. (Vulnerability ID:HWPSIRT-2015-09032)

This vulnerability has been assigned Common Vulnerabilities and Exposures (CVE) ID: CVE-2015-8335.

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





An attacker may exploit this vulnerability to obtain user passwords.

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

Base Score: 6.0 (AV:N/AC:M/Au:S/C:P/I:P/A:P)

Temporal Score: 5.0 (E:F/RL:O/RC:C)

1. Prerequisites:

1) The attacker logs in to VCN500 as an authorized user and obtains logs.

2) The attacker knows how to trigger log generation.

2. Attacking procedure:

The attacker sends specially crafted packets to trigger log generation.

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 is reported by Huawei internal tester. Huawei PSIRT is not aware of any public announcements or malicious use of the vulnerability described in this advisory.

For security problems about Huawei products and solutions, please

For general problems about Huawei products and solutions, please directly contact Huawei TAC (Huawei Technical Assistance Center) to request the configuration or technical assistance.

2015-11-26 V1.0 INITIAL

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Complete information for providing feedback on security vulnerability of Huawei products, getting support for Huawei security incident response services, and obtaining Huawei security vulnerability information, is available on Huawei's worldwide website at