CVE-2023-6324

HIGHNVD 8.18.1—

8.1

ThroughTek Kalay SDK uses a predictable PSK value in the DTLS session when encountering an unexpected PSK identity

CVSS v3: 8.1
EG Score: 8.1(medium)
EPSS: 63.8%
KEV: Not listed

Published

May 15, 2024

Last Modified

February 11, 2025

References (2)

cve-requests@bitdefenderhttps://bitdefender.com/blog/labs/notes-on-throughtek-kalay-vulnerabilities-and-their-impact/
af854a3a-2127-422b-91ae-364da2661108https://bitdefender.com/blog/labs/notes-on-throughtek-kalay-vulnerabilities-and-their-impact/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 8× 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.

2026-05-27 13:40 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 02:09 UTCEG score recompute
2026-05-24 02:09 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-6324?

CVE-2023-6324 is a high vulnerability published on May 15, 2024. ThroughTek Kalay SDK uses a predictable PSK value in the DTLS session when encountering an unexpected PSK identity

When was CVE-2023-6324 disclosed?

CVE-2023-6324 was first published in the National Vulnerability Database on May 15, 2024, with the most recent update on February 11, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-6324 actively exploited?

CVE-2023-6324 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-6324?

CVE-2023-6324 has a CVSS v3 base score of 8.1 (NVD).

How do I remediate CVE-2023-6324?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6324, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-6324

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CVE-2023-6324

📅 Published

🔄 Last Modified

🔗 References (2)