#VU49047 Improper Authentication in Huawei products - CVE-2020-9207

Vulnerability identifier: #VU49047

Vulnerability risk: Medium

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-9207

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei CloudEngine 12800
Hardware solutions / Firmware
Huawei CloudEngine 5800
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei CloudEngine 6800
Hardware solutions / Routers & switches, VoIP, GSM, etc
Huawei CloudEngine 7800
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: Huawei

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a module does not verify the input file properly. A remote attacker can send specially crafted files to bypass current verification mechanism.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei CloudEngine 12800: V200R019C00SPC800

Huawei CloudEngine 5800: V200R019C00SPC800

Huawei CloudEngine 6800: V200R005C20SPC800 - V200R019C00SPC800

Huawei CloudEngine 7800: V200R019C00SPC800

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201216-01-vrp-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.