Vulnerability identifier: #VU27673

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-9099

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Huawei IPS Module
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NIP6300
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NIP6600
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NIP6800
Server applications / IDS/IPS systems, Firewalls and proxy servers
Huawei NGFW Module
Server applications / Other server solutions
Huawei Secospace USG6300
Server applications / Server solutions for antivurus protection
Huawei Secospace USG6500
Server applications / Server solutions for antivurus protection
Huawei Secospace USG6600
Server applications / Server solutions for antivurus protection
USG9500
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 an error in when processing authentication requests. A remote attacker can bypass authentication process and obtain certain permissions on the target device.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Huawei IPS Module: V500R001C00 - V500R005C20

Huawei NGFW Module: V500R001C00 - V500R005C20

Huawei NIP6300: V500R001C00 - V500R005C20

Huawei NIP6600: V500R001C00 - V500R005C20

Huawei NIP6800: V500R001C60 - V500R005C20

Huawei Secospace USG6300: V500R001C00 - V500R005C20

Huawei Secospace USG6500: V500R001C00 - V500R005C20

Huawei Secospace USG6600: V500R001C00 - V500R005C20

USG9500: V500R001C00 - V500R005C20

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External links
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200506-02-authentication-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.