What is CVE-2021-22366?

CVE-2021-22366 is an out-of-bounds read vulnerability in Huawei's eSE620X vESS firmware versions V100R001C10SPC200, V100R001C20SPC200, and V200R001C00SPC300.

What is the severity of CVE-2021-22366?

The severity of CVE-2021-22366 is medium, with a CVSS score of 5.5.

How does CVE-2021-22366 affect Huawei eSE620X vESS firmware?

CVE-2021-22366 affects Huawei's eSE620X vESS firmware versions V100R001C10SPC200, V100R001C20SPC200, and V200R001C00SPC300.

How can an attacker exploit CVE-2021-22366?

An attacker can exploit CVE-2021-22366 by crafting messages between system processes to trigger an out-of-bounds read vulnerability.

Is there a fix for CVE-2021-22366?

For a fix, it is recommended to follow the patches and guidelines provided by Huawei in their security advisory.

Vulnerability/
CVE-2021-22366

medium

5.5

CWE

125

22/6/2021

3/8/2024

CVE-2021-22366

First published: Tue Jun 22 2021(Updated: )

There is an out-of-bounds read vulnerability in eSE620X vESS V100R001C10SPC200, V100R001C20SPC200, V200R001C00SPC300. The vulnerability is due to a function that handles an internal message contains an out-of-bounds read vulnerability. An attacker could crafted messages between system process, successful exploit could cause Denial of Service (DoS).

Credit: psirt@huawei.com

Affected Software	Affected Version	How to fix
Huawei Ese620x Vess Firmware	=v100r001c10spc200
Huawei Ese620x Vess Firmware	=v100r001c20spc200
Huawei Ese620x Vess Firmware	=v200r001c00spc300
Huawei Ese620x Vess

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Reference Links

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210526-03-dos-en

Frequently Asked Questions

What is CVE-2021-22366?
CVE-2021-22366 is an out-of-bounds read vulnerability in Huawei's eSE620X vESS firmware versions V100R001C10SPC200, V100R001C20SPC200, and V200R001C00SPC300.
What is the severity of CVE-2021-22366?
The severity of CVE-2021-22366 is medium, with a CVSS score of 5.5.
How does CVE-2021-22366 affect Huawei eSE620X vESS firmware?
CVE-2021-22366 affects Huawei's eSE620X vESS firmware versions V100R001C10SPC200, V100R001C20SPC200, and V200R001C00SPC300.
How can an attacker exploit CVE-2021-22366?
An attacker can exploit CVE-2021-22366 by crafting messages between system processes to trigger an out-of-bounds read vulnerability.
Is there a fix for CVE-2021-22366?
For a fix, it is recommended to follow the patches and guidelines provided by Huawei in their security advisory.

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