CVE-2021-22366

5.5 mediumEPSS 0.2%

Medium (5.5) in huawei ese620x vess firmware. EPSS 0.2% chance of exploitation in the next 30 days.

There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).

Severity

CVSS 3.1

5.5 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-125
Published: 2021-06-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

huawei:ese620x_vess_firmware

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210526-03-dos-en
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210526-03-dos-en

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