Read the docs
TI-2023-21099 Aliases CVE-2023-40250GHSA-mxwh-m8g8-q6j7

Buffer overflow in Hancom HCell

Priority MEDIUM 41CWE-120Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00559 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
HancomHCell12.0.0.893—No fix listedCNA
  • HCell VendorHancom Affected 12.0.0.893 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:hancom:hcell:12.0.0.893:*:*:*:*:*:*:*12.0.0.893VulnerableHancom
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrosoft
  • cpe:2.3:a:hancom:hcell:12.0.0.893:*:*:*:*:*:*:* Versions 12.0.0.893 Vulnerable ·Hancom
  • cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-40250
  2. 2026-10-03 Alias added: GHSA-mxwh-m8g8-q6j7

References

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences