CVE-2020-1858 Denial of service in NIP6800

High 7.5 Published 17 Feb 2020 Updated 4 Aug 2024

Attackers can cause a denial of service by preventing new connections on Huawei NIP, Secospace, and USG devices under specific conditions.

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-2020-1858?

CVE-2020-1858 is a high-severity denial of service vulnerability in Huawei Nip6800 Firmware, published on 17 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Huawei products NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00SPC100; Secospace USG6600 versions V500R001C30SPC600, V500R001C60SPC500, and V500R005C00SPC100; and USG9500 versions V500R001C30SPC600, V500R001C60SPC500, and V500R005C00SPC100 have a denial of service vulnerability. Attackers need to perform a series of operations in a special scenario to exploit this vulnerability. Successful exploit may cause the new connections can't be established, result in a denial of service.

Which versions are affected by CVE-2020-1858?

It affects 3 products.

Products include Huawei Nip6800 Firmware, Huawei Secospace Usg6600 Firmware, Huawei Usg9500 Firmware.

How do I fix CVE-2020-1858?

No fix has been published for CVE-2020-1858 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-2020-1858 being exploited?

There is no known exploitation of CVE-2020-1858 in the wild and no public exploit code.

All Huawei Nip6800 Firmware vulnerabilities

Sources

Also known as GHSA-28j5-v67p-rr85.