#VU45659 Improper Authorization in Huawei E6878-370 - CVE-2020-9241

Vulnerability identifier: #VU45659

Vulnerability risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-9241

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei E6878-370
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

The vulnerability allows a remote attacker to bypass authorization checks.

The vulnerability exists due to the affected device does not restrict certain data received from WAN port. A remote attacker at WAN side can manage certain service of the device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei E6878-370: 10.0.3.1(H563SP1C00) - 10.0.3.1(H563SP21C233)

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200812-01-auth-en

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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