CVE-2020-1847

Name: CVE-2020-1847
Creator: NVD / NIST
Published: 2020-11-13T15:15:12.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.74%

Last modified Jun 17, 2026

CVE-2020-1847 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. There is a denial of service vulnerability in some Huawei products. There is no protection against the attack scenario of specific protocol. EPSS estimates a 0.74% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.74%

49.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Huawei	Nip6300 Firmware	v500r001c30
Huawei	Nip6300 Firmware	v500r001c60
Huawei	Nip6600 Firmware	v500r001c30
Huawei	Nip6600 Firmware	v500r001c60
Huawei	Secospace Usg6300 Firmware	v500r001c30
Huawei	Secospace Usg6300 Firmware	v500r001c60
Huawei	Secospace Usg6500 Firmware	v500r001c30
Huawei	Secospace Usg6500 Firmware	v500r001c60
Huawei	Secospace Usg6600 Firmware	v500r001c30
Huawei	Secospace Usg6600 Firmware	v500r001c60
Huawei	Usg9500 Firmware	v500r001c30
Huawei	Usg9500 Firmware	v500r001c60

References

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

Timeline

Published: Nov 13, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1847?

How severe is CVE-2020-1847?

CVE-2020-1847 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.74% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1847?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-1847?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST