CVE-2021-22359

7.5 highEPSS 0.7%

High (7.5) in huawei. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2021-05-27
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

huawei:s5700_firmware
huawei:s6700_firmware

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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