What’s Vulnerable › Vulnerabilities

CVE-2021-22340

• Severity: medium (CVSS 4.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-06-29 · updated 2026-06-17
• Weakness: CWE-362

Description

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

Affected products

• ManageOne: 6.5.1-spc200, 8.0.0, 8.0.0-lcnd81, 8.0.0-rc2, 8.0.0-rc3, 8.0.0-rc3.spc100 (+2)
• Huawei SMC2.0: v600r019c10spc700, v600r019c10spc702, v600r019c10spc703, v600r019c10spc800, v600r019c10spc900, v600r019c10spc910 (+5)

References

• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210428-01-racecondition-en
• https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210428-01-racecondition-en

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