CVE-2021-22362

What it is

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.

At a glance

Exploitability

Can be exploited over the network without logging in. Limited direct impact.

Exploit odds

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

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2021-05-27 13:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:37 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.7% in the next 30 days (EPSS).
• Severity: 5.3 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2021-05-27 13:15 UTC

Last modified

2026-06-17 03:37 UTC

Exploit probability

0.7% · EPSS, next 30 days

Weakness

CWE-787 · Out-of-bounds write

Record status

Modified

Affected

• Huawei Cloudengine 12800 Firmware v200r002c50spc800
• Huawei Cloudengine 12800 Firmware v200r003c00spc810
• Huawei Cloudengine 12800 Firmware v200r005c00spc800
• Huawei Cloudengine 12800 Firmware v200r005c10spc800
• Huawei Cloudengine 12800 Firmware v200r019c00spc800
• Huawei Cloudengine 12800 Firmware v200r019c10spc800
• Huawei Cloudengine 5800 Firmware v200r002c50spc800
• Huawei Cloudengine 5800 Firmware v200r003c00spc810

Attack profile CVSS 3.1 · 5.3

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2021-22362.md and follow it. Check whether this project is affected by CVE-2021-22362. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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