CVE-2021-22340

4.1 MEDIUM 0.1% exploit odds Fix listed

What it is

There is a multiple threads race condition vulnerability in Huawei product. A race condition exists for concurrent I/O read by multiple threads. An attacker with the root permission can exploit this vulnerability by performing some operations. Successful exploitation of this vulnerability may cause the system to crash. Affected product versions include: ManageOne 6.5.1.SPC200, 8.0.0,8.0.0-LCND81, 8.0.0.SPC100, 8.0.1,8.0.RC2, 8.0.RC3, 8.0.RC3.SPC100;SMC2.0 V600R019C10SPC700,V600R019C10SPC702, V600R019C10SPC703,V600R019C10SPC800, V600R019C10SPC900, V600R019C10SPC910, V600R019C10SPC920, V600R019C10SPC921, V600R019C10SPC922, V600R019C10SPC930, V600R019C10SPC931

At a glance

Exploitability: Can be exploited locally on the machine with an admin-level account. High risk of service disruption.
Exploit odds: 0.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2021-06-29 19:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:37 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.1% in the next 30 days (EPSS).
Severity: 4.1 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2021-06-29 19:15 UTC
Last modified: 2026-06-17 03:37 UTC
Exploit probability: 0.1% · EPSS, next 30 days
Weakness: CWE-362 · Race condition
Record status: Modified

Affected

Huawei Manageone 6.5.1
Huawei Manageone 8.0.0
Huawei Manageone 8.0.1
Huawei smc2.0 v600r019c10spc700
Huawei smc2.0 v600r019c10spc702
Huawei smc2.0 v600r019c10spc703
Huawei smc2.0 v600r019c10spc800
Huawei smc2.0 v600r019c10spc900

Attack profile CVSS 3.1 · 4.1

Attack vector: Local
Complexity: High
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: High

Raw vector

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

Is it in your code?

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Read https://cve-list.com/agent/cve/CVE-2021-22340.md and follow it. Check whether this project is affected by CVE-2021-22340. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record