SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-22362

There is an out of bounds write vulnerability in some Huawei products.

MEDIUM 5.3EPSS 0.69%

Does this matter?

Lower severity and a low EPSS score (0.69%). Track it; it rarely justifies an emergency change on its own.

Description

There is an out of bounds write vulnerability in some Huawei products. An attacker can exploit this vulnerability by sending crafted data in the packet to the target device. Due to insufficient validation of message, successful exploit can cause certain service abnormal.Affected product versions include:CloudEngine 12800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800;CloudEngine 5800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800@;CloudEngine 6800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800,V200R019C10SPC800;CloudEngine 7800 versions V200R002C50SPC800,V200R003C00SPC810,V200R005C00SPC800,V200R005C10SPC800,V200R019C00SPC800,V200R019C10SPC800.

CVSS 3.1
5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
0.69% probability · 52th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-787
Affected
huawei/cloudengine 12800 firmware · huawei/cloudengine 5800 firmware · huawei/cloudengine 6800 firmware · huawei/cloudengine 7800 firmware
Source
psirt@huawei.com
EPSS trend
0%3%5%26 October 2026: 0.69%26 October 202626 October 2026

EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.