CVE-2021-22484

HIGHNVD 7.57.5—

7.5

Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data.

Successful exploitation of this vulnerability may cause a server out of memory (OOM).

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 36.6%
KEV: Not listed

Published

December 28, 2024

Last Modified

March 18, 2025

References (1)

psirt@huaweihttps://device.harmonyos.com/en/docs/security/update/security-bulletins-wearables-202108-0000001135186780

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 15× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2021-22484?

CVE-2021-22484 is a high vulnerability published on December 28, 2024. Some Huawei wearables have a vulnerability of not verifying the actual data size when reading data. Successful exploitation of this vulnerability may cause a server out of memory (OOM).

When was CVE-2021-22484 disclosed?

CVE-2021-22484 was first published in the National Vulnerability Database on December 28, 2024, with the most recent update on March 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-22484 actively exploited?

CVE-2021-22484 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-22484?

CVE-2021-22484 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2021-22484?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-22484, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-22484

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2021-22484?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)