CVE-2020-1883

Name: CVE-2020-1883
Creator: NVD / NIST
Published: 2020-06-05T15:15:10.91+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.9/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-1883 is a medium-severity vulnerability rated 4.9/10 on the CVSS scale. Huawei products NIP6800;Secospace USG6600;USG9500 have a memory leak vulnerability. An attacker with high privileges exploits this vulnerability by continuously performing specific operations. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

Huawei products NIP6800;Secospace USG6600;USG9500 have a memory leak vulnerability. An attacker with high privileges exploits this vulnerability by continuously performing specific operations. Successful exploitation of this vulnerability can cause service abnormal.

Metrics

CVSS 3.1

4.9/10

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

EPSS Probability

0.80%

51.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-401

Affected Software

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

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200603-01-memory-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200603-01-memory-enVendor Advisory

Timeline

Published: Jun 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-1883?

How severe is CVE-2020-1883?

CVE-2020-1883 has a CVSS score of 4.9/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-1883?

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-2020-1883?

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

Scan your code now

Source: NVD / NIST