Input validation error in Huawei products - CVE-2021-22357

Vulnerability identifier: #VU53423

CSH Severity: Low

CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-22357

CWE-ID: CWE-20

Exploitation vector: Adjecent network

Exploit availability: No public exploit available

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker on the local network can send specific messages and perform a denial of service (DoS) attack.

Huawei S12700
Huawei S5700
Huawei S6700
Huawei S7700

Install updates from vendor's website.

Huawei S12700 - addressed in versions V200R013SPH010, V200R019SPH008
Huawei S5700 - addressed in versions V200R013SPH009, V200R019SPH008
Huawei S6700 - addressed in versions V200R013SPH009, V200R019SPH008
Huawei S7700 - addressed in versions V200R013SPH010, V200R019SPH008

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210512-01-dos-en

• Denial of service in several Huawei Products