Vulnerability Database

315,363

Total vulnerabilities in the database

CVE-2020-4135

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow an unauthenticated user to send specially crafted packets to cause a denial of service from excessive memory usage.

  • Published: Feb 19, 2020
  • Updated: Nov 9, 2025
  • CVE: CVE-2020-4135
  • 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

No CWE or OWASP classifications available.

Software From Fixed in
ibm / db2 9.7 9.7.x
ibm / db2 10.1 10.1.x
ibm / db2 10.5 10.5.x
ibm / db2 11.1 11.1.x
ibm / db2 11.5 11.5.x