CVE-2023-40250

HIGHNVD 8.88.8—

8.8

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Hancom HCell on Windows allows Overflow Buffers.This issue affects HCell: 12.0.0.893.

CVSS v3: 8.8
EG Score: 8.8(medium)
EPSS: 19.6%
KEV: Not listed

Published

January 12, 2024

Last Modified

November 21, 2024

References (2)

vuln@krcerthttps://www.hancom.com/cs_center/csDownload.do?gnb0=25gnb1=80
af854a3a-2127-422b-91ae-364da2661108https://www.hancom.com/cs_center/csDownload.do?gnb0=25gnb1=80

Weakness Classification(1)

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

CWE-120Buffer Copy without Checking Size (Classic Buffer Overflow)

Data Freshness Timeline

(refreshed 17× 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.

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Frequently asked(5)

What is CVE-2023-40250?

CVE-2023-40250 is a high vulnerability published on January 12, 2024. Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in Hancom HCell on Windows allows Overflow Buffers.This issue affects HCell: 12.0.0.893.

When was CVE-2023-40250 disclosed?

CVE-2023-40250 was first published in the National Vulnerability Database on January 12, 2024, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-40250 actively exploited?

CVE-2023-40250 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 19.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-40250?

CVE-2023-40250 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2023-40250?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-40250, 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-2023-40250

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-40250?

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Published

Last Modified

References (2)

Frequently asked(5)

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