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CVE Record

CVE-2021-22328: There is a denial of service vulnerability in some huawei products.

There is a denial of service vulnerability in some huawei products. In specific scenarios, due to the improper handling of the packets, an attacker may craft the specific packet. Successful exploit may cause some services abnormal. Affected product versions include:CloudEngine 12800 V200R005C00SPC800, CloudEngine 5800 V200R005C00SPC800, CloudEngine 6800 V200R005C00SPC800, CloudEngine 7800 V200R005C00SPC800.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This CVE describes a denial-of-service flaw in specific Huawei CloudEngine switches. A crafted packet can cause some services to behave abnormally. The public bundle does not provide CVSS scoring, detailed impact, or active exploitation evidence.

Executive priority

Treat this as a targeted network infrastructure availability risk. Prioritize validation in environments using the named Huawei CloudEngine models, but avoid emergency escalation absent evidence of exposure or active exploitation.

Technical view

CVE-2021-22328 affects Huawei CloudEngine 12800, 5800, 6800, and 7800 devices running V200R005C00SPC800. The issue is improper packet handling in specific scenarios, allowing a crafted packet to disrupt some services.

Likely exposure

Exposure appears limited to the listed Huawei CloudEngine models on version V200R005C00SPC800. Organizations without those products or versions are not indicated as affected by the provided sources.

Exploitation context

The source bundle says exploitation requires a crafted packet in specific scenarios. It is not listed as KEV, and the provided sources do not claim active exploitation or public weaponization.

Researcher notes

Evidence is sparse: no CVSS, CWE, exploit status, packet details, or fixed version is included in the provided bundle. Analysis should stay anchored to affected model/version matching and Huawei PSIRT guidance.

Mitigation direction

  • Inventory Huawei CloudEngine devices and identify exact software versions.
  • Review Huawei PSIRT advisory for vendor-approved fixes or mitigations.
  • Prioritize vendor upgrade guidance for devices on V200R005C00SPC800.
  • Limit untrusted packet reachability where operationally feasible.
  • Contact Huawei support if affected release guidance is unclear.

Validation and detection

  • Check whether CloudEngine 12800, 5800, 6800, or 7800 devices are present.
  • Verify whether any listed devices run V200R005C00SPC800.
  • Review service health for unexplained abnormal behavior on affected devices.
  • Track Huawei PSIRT guidance for remediation status and version details.
Prepared
Confidence
medium
Sources
3

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2021-22328 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/aCloudEngine 12800;CloudEngine 5800;CloudEngine 6800;CloudEngine 7800V200R005C00SPC800Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.