CVE-2020-1877 Null dereference in NIP6800;Secospace USG6600;USG9500

Medium 4.4 Published 28 Feb 2020 Updated 4 Aug 2024

An invalid pointer access in Huawei USG firewalls allows administrators to trigger a process reboot, causing denial of service.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-1877?

CVE-2020-1877 is a medium-severity vulnerability in Huawei Nip6800 Firmware, published on 28 Feb 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an invalid pointer access vulnerability. The software system access an invalid pointer when administrator log in to the device and performs some operations. Successful exploit could cause certain process reboot.

Weakness: CWE-824

Which versions are affected by CVE-2020-1877?

It affects 3 products.

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

How do I fix CVE-2020-1877?

No fix has been published for CVE-2020-1877 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-1877 being exploited?

There is no known exploitation of CVE-2020-1877 in the wild and no public exploit code.

All Huawei Nip6800 Firmware vulnerabilities

Sources

Also known as GHSA-x6w2-r9qf-4mp5.