CVE-2021-22359

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-27 · updated 2026-06-17
Weakness: CWE-20

Description

There is a denial of service vulnerability in the verisions V200R005C00SPC500 of S5700 and V200R005C00SPC500 of S6700. An attacker could exploit this vulnerability by sending specific message to a targeted device. Due to insufficient input validation, successful exploit can cause the service abnormal.

Affected products

Huawei S5700 Firmware: v200r005c00spc500
Huawei S6700 Firmware: v200r005c00spc500

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-02-dos-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210519-02-dos-en

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