Vulnerability Database

300,214

Total vulnerabilities in the database

CVE-2021-20501

IBM i 7.1, 7.2, 7.3, and 7.4 SMTP allows a network attacker to send emails to non-existent local-domain recipients to the SMTP server, caused by using a non-default configuration. An attacker could exploit this vulnerability to consume unnecessary network bandwidth and disk space, and allow remote attackers to send spam email. IBM X-Force ID: 198056.

  • Published: Apr 21, 2021
  • Updated: Apr 14, 2023
  • CVE: CVE-2021-20501
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 8.2
  • AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

CVSS v2:

  • Severity: Medium
  • Score: 6.4
  • AV:N/AC:L/Au:N/C:N/I:P/A:P

No CWE or OWASP classifications available.

Software From Fixed in
ibm / i 7.2 7.2.x
ibm / i 7.1 7.1.x
ibm / i 7.3 7.3.x
ibm / i 7.4 7.4.x