Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2021-22340

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

  • Published: Jun 29, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-22340
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.1
  • AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Low
  • Score: 4.7
  • AV:L/AC:M/Au:N/C:N/I:N/A:C

CWEs:

Software From Fixed in
huawei / manageone 8.0.1 8.0.1.x
huawei / manageone 8.0.0-rc2 8.0.0-rc2.x
huawei / manageone 8.0.0 8.0.0.x
huawei / manageone 8.0.0-spc100 8.0.0-spc100.x
huawei / manageone 8.0.0-lcnd81 8.0.0-lcnd81.x
huawei / manageone 8.0.0-rc3 8.0.0-rc3.x
huawei / manageone 8.0.0-rc3.spc100 8.0.0-rc3.spc100.x
huawei / manageone 6.5.1-spc200 6.5.1-spc200.x
huawei / smc2.0 600r019c10spc700 600r019c10spc700.x
huawei / smc2.0 600r019c10spc702 600r019c10spc702.x
huawei / smc2.0 600r019c10spc703 600r019c10spc703.x
huawei / smc2.0 600r019c10spc800 600r019c10spc800.x
huawei / smc2.0 600r019c10spc900 600r019c10spc900.x
huawei / smc2.0 600r019c10spc910 600r019c10spc910.x
huawei / smc2.0 600r019c10spc920 600r019c10spc920.x
huawei / smc2.0 600r019c10spc921 600r019c10spc921.x
huawei / smc2.0 600r019c10spc922 600r019c10spc922.x
huawei / smc2.0 600r019c10spc930 600r019c10spc930.x
huawei / smc2.0 600r019c10spc931 600r019c10spc931.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.