#VU57582 Race condition in Huawei products - CVE-2021-22340

Vulnerability identifier: #VU57582

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-22340

CWE-ID: CWE-362

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
FusionCompute
Client/Desktop applications / Other client software
ManageOne
Other software / Other software solutions
NFV_FusionSphere
Hardware solutions / Firmware
Huawei SMC2.0
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor: Huawei

Description

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

The vulnerability exists due to a race condition. A local administrator can exploit the race and cause a denial of service condition on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

FusionCompute: 8.0 RC3 ARM - 8.0.0 ARM

ManageOne: 6.5.0.SPC100.B220 - 8.0.1

NFV_FusionSphere: V100R006C50SPC200 - 8.0.0

Huawei SMC2.0: V600R019C10SPC700 - V600R019C10SPC951

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External links
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210428-01-racecondition-en

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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