There is a memory leak vulnerability in some versions of Huawei CloudEngine product.

published 2020-12-29 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-29953

cvss: 7.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

There is a memory leak vulnerability in some versions of Huawei CloudEngine product. An unauthenticated, remote attacker may exploit this vulnerability by sending specific message to the affected product. Due to not release the allocated memory properly, successful exploit may cause memory leak.

Exploit prediction

0.93% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

Huawei CloudEngine 12800
Huawei CloudEngine 5800
Huawei CloudEngine 6800
Huawei CloudEngine 7800

Classification

Weakness

CWE-401 Missing Release of Memory after Effective Lifetime

References

huawei.com /en/psirt/security-advisories/huawei-sa-20201223-01-cloudengine-en
vendor-advisory

Sources

CVE List CVE-2020-9124
NVD CVE-2020-9124

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Summary