CVE-2020-1876

Name: CVE-2020-1876
Creator: NVD / NIST
Published: 2020-02-28T19:15:12.03+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.76%

Last modified Jun 17, 2026

CVE-2020-1876 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-bounds write vulnerability. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. EPSS estimates a 0.76% chance of exploitation in the next 30 days.

Description

NIP6800;Secospace USG6600;USG9500 with versions of V500R001C30; V500R001C60SPC500; V500R005C00SPC100 have an out-of-bounds write vulnerability. An unauthenticated attacker crafts malformed packets with specific parameter and sends the packets to the affected products. Due to insufficient validation of packets, which may be exploited to cause the process reboot.

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

0.76%

50.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Huawei	Nip6800 Firmware	v500r001c30
Huawei	Nip6800 Firmware	v500r001c60spc500
Huawei	Nip6800 Firmware	v500r005c00
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

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-01-outofwrite-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200219-01-outofwrite-enVendor Advisory

Timeline

Published: Feb 28, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1876?

How severe is CVE-2020-1876?

CVE-2020-1876 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.76% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1876?

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-2020-1876?

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

Scan your code now

Source: NVD / NIST