Denial of service in Huawei USG9500



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22360
CWE-ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
USG9500
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Huawei

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource management error

EUVDB-ID: #VU53382

Risk: Low

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22360

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources within the application. A remote administrator can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

USG9500: V500R001C60SPC500 - V500R005C00SPC200

CPE2.3 External links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-01-resource-en


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

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



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