CVE-2024-21740

HIGHNVD 7.47.4—Elevated

7.4

Artery AT32F415CBT7 and AT32F421C8T7 devices have Incorrect Access Control.

CVSS v3: 7.4
EG Score: 7.4(medium)
EPSS: 18.3%
KEV: Not listed

Published

June 25, 2024

Last Modified

April 15, 2026

References (2)

cve@mitrehttps://tches.iacr.org/index.php/TCHES/article/view/11422/10927
af854a3a-2127-422b-91ae-364da2661108https://tches.iacr.org/index.php/TCHES/article/view/11422/10927

Weakness Classification(1)

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

CWE-284Improper Access Control

Data Freshness Timeline

(refreshed 16× 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.

2026-06-05 22:46 UTCepss_batch
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Frequently asked(5)

What is CVE-2024-21740?

CVE-2024-21740 is a high vulnerability published on June 25, 2024. Artery AT32F415CBT7 and AT32F421C8T7 devices have Incorrect Access Control.

When was CVE-2024-21740 disclosed?

CVE-2024-21740 was first published in the National Vulnerability Database on June 25, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-21740 actively exploited?

CVE-2024-21740 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 18.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-21740?

CVE-2024-21740 has a CVSS v3 base score of 7.4 (NVD).

How do I remediate CVE-2024-21740?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-21740, 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-2024-21740

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-21740?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)