Input validation error in Huawei products - CVE-2020-1847

Vulnerability identifier: #VU48391

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-1847

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient protection against the attack scenario of specific protocol. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Huawei NIP6300
Huawei NIP6600
Huawei Secospace USG6300
Huawei Secospace USG6500
Huawei Secospace USG6600
USG9500

Install updates from vendor's website.

Huawei NIP6300 - update to V500R005C00SPC200
Huawei NIP6600 - update to V500R005C00SPC200
Huawei Secospace USG6300 - update to V500R005C00SPC200
Huawei Secospace USG6500 - update to V500R005C00SPC200
Huawei Secospace USG6600 - update to V500R005C00SPC200
USG9500 - update to V500R005C00SPC200

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20201111-02-dos-en

• Denial of service in several Huawei Products