CVE-2020-1847 Denial of service in NIP6300;NIP6600;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500

High 7.5 Published 13 Nov 2020 Updated 4 Aug 2024

Remote attackers can cause denial of service on Huawei NIP and USG series devices by exploiting a lack of protection in specific protocol 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-2020-1847?

CVE-2020-1847 is a high-severity denial of service vulnerability in Huawei Nip6300 Firmware, published on 13 Nov 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. There is no protection against the attack scenario of specific protocol. A remote, unauthorized attackers can construct attack scenarios, which leads to denial of service.Affected product versions include:NIP6300 versions V500R001C30,V500R001C60;NIP6600 versions V500R001C30,V500R001C60;Secospace USG6300 versions V500R001C30,V500R001C60;Secospace USG6500 versions V500R001C30,V500R001C60;Secospace USG6600 versions V500R001C30,V500R001C60;USG9500 versions V500R001C30,V500R001C60.

Which versions are affected by CVE-2020-1847?

It affects 6 products.

Products include Huawei Nip6300 Firmware, Huawei Nip6600 Firmware, Huawei Secospace Usg6300 Firmware, Huawei Secospace Usg6500 Firmware, Huawei Secospace Usg6600 Firmware, Huawei Usg9500 Firmware.

How do I fix CVE-2020-1847?

No fix has been published for CVE-2020-1847 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-2020-1847 being exploited?

There is no known exploitation of CVE-2020-1847 in the wild and no public exploit code.

All Huawei Nip6300 Firmware vulnerabilities

Sources

Also known as GHSA-4h5w-x2h7-6xgh.