Vulnerability identifier: #VU26733

Vulnerability risk: Low

CVSSv3.1: 5 [CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-1802

CWE-ID: CWE-354

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
OSCA-550
Hardware solutions / Other hardware appliances
OSCA-550A
Hardware solutions / Other hardware appliances
OSCA-550AX
Hardware solutions / Other hardware appliances
OSCA-550X
Hardware solutions / Other hardware appliances

Vendor: Huawei

Description

The vulnerability allows a local attacker to gain unauthorized access to the target device.

The vulnerability exists due to the affected device does not sufficiently validate the integrity of certain file in certain loading processes. An attacker with physical access can load a specially crafted file to the device through USB and gain access to the device. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

OSCA-550: 1.0.1.23(SP2)

OSCA-550A: 1.0.1.23(SP2)

OSCA-550AX: 1.0.1.23(SP2)

OSCA-550X: 1.0.1.23(SP2)

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200408-01-osca-en

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Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.