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CVE-2021-20501

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CVE-2021-20501

Published: Apr 21, 2021

Modified: Sep 17, 2024

PUBLISHED

CVSS v3.0

5.9

MEDIUM

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.

VendorProductVersions

IBM

i

affected
7.1
affected
7.2
affected
7.3
affected
7.4

CVSS v3.0 Details

CVSS v3.0 Vector

CVSS:3.0/AV:N/C:N/S:U/AC:H/A:H/UI:N/I:N/PR:N/RC:C/E:U/RL:O

Attack Vector

Network

Confidentiality

None

Scope

Unchanged

Attack Complexity

High

Availability

High

User Interaction

None

Integrity

None

Privileges Required

None

References

ibm-i-cve202120501-dos (198056)
vdb-entry
x_refsource_XF

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