CVE-2021-22340

mediumpriority · track · 16EPSS 0.001 · 1 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.11% (1st) EPSS

CVSS 4.7 · medium

Is it mine?

18 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · scored 2026-10-27

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

cvss

Technical severity, 0–10. One row per scoring source.

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.8–4.7

v2.04.7mediumAV:L/AC:M/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 6.9

v3.14.1mediumCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 0.5 · impact 3.6

v3.14.1mediumAV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.13.8lowCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-362USprimaryCWE-362US

affected products (18)

Products and version ranges known to be affected.

n/a ManageOne;SMC2.0≤ V600R019C10SPC700,V600R019C10SPC702,V600R019C10SPC703,V600R019C10SPC800,V600R019C10SPC900,V600R019C10SPC910,V600R019C10SPC920,V600R019C10SPC921,V600R019C10SPC922,V600R019C10SPC930,V600R019C10SPC931enisa_euvdEU
n/a ManageOne;SMC2.0≤ 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.SPC100enisa_euvdEU
Huawei Technologies Co., Ltd. ManageOne≤ 8.0.2fstec_bduRU
Huawei Technologies Co., Ltd. SMC2.0≤ V600R019C00SPCa10fstec_bduRU
huawei manageone= 6.5.1nvdUScpe:2.3:a:huawei:manageone:*:*:*:*:*:*:*:*
huawei manageone= 8.0.0nvdUScpe:2.3:a:huawei:manageone:*:*:*:*:*:*:*:*
huawei manageone= 8.0.1nvdUScpe:2.3:a:huawei:manageone:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc700nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc702nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc703nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc800nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc900nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc910nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc920nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc921nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc922nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc930nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*
huawei smc2.0= v600r019c10spc931nvdUScpe:2.3:a:huawei:smc2.0:*:*:*:*:*:*:*:*

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu nvd NVD CVE.org MITRE

published 2021-06-29modified 2026-06-17

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+4135 more

references (5)

External citations — patches, advisories, analysis.

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