Vulnerability Database

318,003

Total vulnerabilities in the database

CVE-2020-18731

A segmentation violation in the Iec104_Deal_FirmUpdate function of IEC104 v1.0 allows attackers to cause a denial of service (DOS).

  • Published: Aug 23, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2020-18731
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.5
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5
  • AV:N/AC:L/Au:N/C:N/I:N/A:P

CWEs:

Software From Fixed in
iec104_project / iec104 1.0 1.0.x