CVE-2021-20501 Information

Description

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

Reference

https://exchange.xforce.ibmcloud.com/vulnerabilities/198056 https://www.ibm.com/support/pages/node/6445505

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

LOW

Base Score

HIGH

Base Severity

8.2