CVE-2020-1816

Name: CVE-2020-1816
Creator: NVD / NIST
Published: 2020-02-18T00:15:11.337+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2020-1816 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a Denial of Service (DoS) vulnerability. Due to improper processing of specific IPSEC packets, remote attackers can send constructed IPSEC packets to affected devices to exploit this vulnerability. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

Huawei NIP6800 versions V500R001C30, V500R001C60SPC500, and V500R005C00; Secospace USG6600 and USG9500 versions V500R001C30SPC200, V500R001C30SPC600, V500R001C60SPC500, and V500R005C00 have a Denial of Service (DoS) vulnerability. Due to improper processing of specific IPSEC packets, remote attackers can send constructed IPSEC packets to affected devices to exploit this vulnerability. Successful exploit could cause the IPSec function of the affected device abnormal.

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

0.86%

53.9th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Huawei	Nip6800 Firmware	v500r001c30
Huawei	Nip6800 Firmware	v500r001c60spc500
Huawei	Nip6800 Firmware	v500r005c00
Huawei	Secospace Usg6600 Firmware	v500r001c30spc200
Huawei	Secospace Usg6600 Firmware	v500r001c30spc600
Huawei	Secospace Usg6600 Firmware	v500r001c60spc500
Huawei	Secospace Usg6600 Firmware	v500r005c00
Huawei	Usg9500 Firmware	v500r001c30spc200
Huawei	Usg9500 Firmware	v500r001c30spc600
Huawei	Usg9500 Firmware	v500r001c60spc500
Huawei	Usg9500 Firmware	v500r005c00

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-03-firewall-enVendor Advisory
http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200212-03-firewall-enVendor Advisory

Timeline

Published: Feb 18, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1816?

How severe is CVE-2020-1816?

CVE-2020-1816 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1816?

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-2020-1816?

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

Scan your code now

Source: NVD / NIST