CVE-2020-1870 Denial of service in CloudEngine 12800

High 7.5 Published 29 May 2020 Updated 4 Aug 2024

Attackers can cause a denial of service on Huawei network devices through improper memory management leading to memory leakage.

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-2020-1870?

CVE-2020-1870 is a high-severity denial of service vulnerability in Huawei CloudEngine 12800, published on 29 May 2020. 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. Due to improper memory management, memory leakage may occur in some special cases. Attackers can perform a series of operations to exploit this vulnerability. Successful exploit may cause a denial of service. Affected product versions include: CloudEngine 12800 versions V200R019C00SPC800; CloudEngine 5800 versions V200R019C00SPC800; CloudEngine 6800 versions V200R005C20SPC800, V200R019C00SPC800; CloudEngine 7800 versions V200R019C00SPC800; NE40E versions V800R011C00SPC200, V800R011C00SPC300, V800R011C10SPC100; NE40E-F versions V800R011C00SPC200, V800R011C10SPC100; NE40E-M versions V800R011C00SPC200, V800R011C10SPC100.

Weakness: CWE-772

Which versions are affected by CVE-2020-1870?

It affects 2 products.

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

How do I fix CVE-2020-1870?

No fix has been published for CVE-2020-1870 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-2020-1870 being exploited?

There is no known exploitation of CVE-2020-1870 in the wild and no public exploit code.

Sources

Also known as GHSA-v2q9-m664-5f32.