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Security Advisory - Insufficient Authentication Vulnerability in OSCA Products

  • SA No:huawei-sa-20200121-01-osca
  • Initial Release Date: 2020-01-21
  • Last Release Date: 2020-01-21

There is an insufficient authentication vulnerability in OSCA products. The software does not require a strong credential when the user trying to do certain operations. Successful exploit could allow an attacker to pass the authentication and do certain operations by a weak credential. (Vulnerability ID: HWPSIRT-2019-10031)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2020-1789.

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

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200121-01-osca-en

Product Name

Affected Version

Resolved Product and Version

OSCA-550

1.0.1.21(SP3)

Upgrade to 1.0.1.23(SP2)

OSCA-550A

1.0.1.21(SP3)

Upgrade to 1.0.1.23(SP2)

OSCA-550AX

1.0.1.21(SP3)

Upgrade to 1.0.1.23(SP2)

OSCA-550X

1.0.1.21(SP3)

Upgrade to 1.0.1.23(SP2)


Successful exploit could allow an user to pass the authentication and do certain operations by a weak credential.

The vulnerability classification has been performed by using the CVSSv3 scoring system (http://www.first.org/cvss/specification-document).

Base Score: 3.5 (AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)

Temporal Score: 3.3 (E:F/RL:O/RC:C)

This vulnerability can be exploited only when the following conditions are present:

The attacker could access to the device physically.

Vulnerability details:

The software does not require a strong credential when the user trying to do certain operations. Successful exploit could allow an attacker to pass the authentication and do certain operations by a weak credential. 

The product that supports automatic update will receive a system update prompt. You can install the update to fix the vulnerability.

This vulnerability was discovered by Huawei internal tester.


2020-01-21 V1.0 INITIAL

Huawei adheres to protecting the ultimate interests of users with best efforts and the principle of responsible disclosure and deal with product security issues through our response mechanism.

To enjoy Huawei PSIRT services and obtain Huawei product vulnerability information, please visit http://www.huawei.com/en/psirt.

To report a security vulnerability in Huawei products and solutions, please send it to PSIRT@huawei.com. For details, please visit http://www.huawei.com/en/psirt/report-vulnerabilities.

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