Denial of service in several Huawei products



Published: 2021-03-29
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-22393
CWE-ID CWE-20
Exploitation vector Local network
Public exploit N/A
Vulnerable software
Subscribe 		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

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Input validation error

EUVDB-ID: #VU51749

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2021-22393

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to module design weakness. A remote attacker on the local network can send a large amount of specific messages and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Huawei CloudEngine 12800: V200R002C50SPC800 - V200R005C10SPC800

Huawei CloudEngine 5800: V200R002C50SPC800 - V200R005C10SPC800

Huawei CloudEngine 6800: V200R002C50SPC800 - V200R005C10SPC800

Huawei CloudEngine 7800: V200R002C50SPC800 - V200R005C10SPC800

CPE2.3 External links

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210324-01-dos-en


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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