SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-1847

There is a denial of service vulnerability in some Huawei products.

HIGH 7.5EPSS 0.74%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.74%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.

CVSS 3.1
7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
0.74% probability · 54th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Affected
huawei/nip6300 firmware · huawei/nip6600 firmware · huawei/secospace usg6300 firmware · huawei/secospace usg6500 firmware · huawei/secospace usg6600 firmware · huawei/usg9500 firmware
Source
psirt@huawei.com
EPSS trend
0%3%5%26 October 2026: 0.74%26 October 202626 October 2026

EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.