CVE-2021-22328 Denial of service in CloudEngine 12800;CloudEngine 5800;CloudEngine 6800;CloudEngine 7800

High 7.5 Published 23 Aug 2021 Updated 3 Aug 2024

An attacker can cause service disruption on Huawei CloudEngine switches by sending specially crafted packets due to improper packet handling.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-22328?

CVE-2021-22328 is a high-severity denial of service vulnerability in CloudEngine 12800;CloudEngine 5800;CloudEngine 6800;CloudEngine 7800, published on 23 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling of the packets, an attacker may craft the specific packet. Successful exploit may cause some services abnormal. Affected product versions include:CloudEngine 12800 V200R005C00SPC800, CloudEngine 5800 V200R005C00SPC800, CloudEngine 6800 V200R005C00SPC800, CloudEngine 7800 V200R005C00SPC800.

Which versions are affected by CVE-2021-22328?

It affects 4 products.

Products include Huawei Cloudengine 12800 Firmware, Huawei Cloudengine 5800 Firmware, Huawei Cloudengine 6800 Firmware, Huawei Cloudengine 7800 Firmware.

How do I fix CVE-2021-22328?

No fix has been published for CVE-2021-22328 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-22328 being exploited?

There is no known exploitation of CVE-2021-22328 in the wild and no public exploit code.

Sources

Also known as GHSA-gw32-cjfh-w92v.