CVE Tools
Sign in

CVE-2021-40008

Published: Dec 13, 2021Updated: Nov 21, 2024 Sources: CVE List NVDCWE-772
7.5HIGH
NVD MITRE
EPSS Score
0.7%
Top 52.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

There is a memory leak vulnerability in CloudEngine 12800 V200R019C00SPC800, CloudEngine 5800 V200R019C00SPC800, CloudEngine 6800 V200R019C00SPC800 and CloudEngine 7800 V200R019C00SPC800. The software does not sufficiently track and release allocated memory while parse a series of crafted binary messages, which could consume remaining memory. Successful exploit could cause memory exhaust.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-772

Affected Products

huawei
commercial·CNaka honor, huawei technologies
cloudengine 7800 firmwareEmbeddedFirmware
Hardware Firmware / network-adapter
cloudengine 6800 firmwareEmbeddedFirmware
Networking Infrastructure / router-switch
cloudengine 5800 firmwareEmbeddedFirmware
Networking Infrastructure / router-switch
cloudengine 12800 firmwareEmbeddedFirmware
Networking Infrastructure / router-switch
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2021-40008?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211208-01-memleak-en
huawei.com

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2021-40008 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows