Is CVE-2021-40008 actively exploited?

CVE-2021-40008 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-40008?

CVE-2021-40008 has a CVSS score of 7.5 (HIGH severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

How do I patch CVE-2021-40008?

Patch guidance is available from huawei security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-40008.

Fix CVE-2021-40008 - HIGH huawei cloudengine 7800 firmware

Q: Which products are affected by CVE-2021-40008?

4 products: huawei cloudengine 7800 firmware, huawei cloudengine 6800 firmware, huawei cloudengine 5800 firmware, huawei cloudengine 12800 firmware.

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.

CVSS Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-772

Metadata

Primary Vendor: HUAWEI
Published: 12/13/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

huawei : cloudengine_7800_firmwarehuawei : cloudengine_6800_firmwarehuawei : cloudengine_5800_firmwarehuawei : cloudengine_12800_firmware

Remediation Guidance

Executive Summary

View on NIST NVD