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.

CVSS v3 8.2 HIGH
CVSS v2.0 6.4 MEDIUM

8.2^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact HIGH

Scope UNCHANGED

6.4^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:P/A:P

Exploitability : 10.0 / Impact : 4.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://exchange.xforce.ibmcloud.com/vulnerabilities/198056	VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6445505	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/198056	VDB Entry Vendor Advisory
https://www.ibm.com/support/pages/node/6445505	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:ibm:i:7.1:::::::*
	cpe:2.3:o:ibm:i:7.2:::::::*
	cpe:2.3:o:ibm:i:7.3:::::::*
	cpe:2.3:o:ibm:i:7.4:::::::*

History

21 Nov 2024, 05:46

Type	Values Removed	Values Added
References	~~() https://exchange.xforce.ibmcloud.com/vulnerabilities/198056 - VDB Entry, Vendor Advisory~~	() https://exchange.xforce.ibmcloud.com/vulnerabilities/198056 - VDB Entry, Vendor Advisory
References	~~() https://www.ibm.com/support/pages/node/6445505 - Vendor Advisory~~	() https://www.ibm.com/support/pages/node/6445505 - Vendor Advisory

Information

Published : 2021-04-21 12:15

Updated : 2024-11-21 05:46

NVD link : CVE-2021-20501

Mitre link : CVE-2021-20501

CVE.ORG link : CVE-2021-20501

JSON object : View

Products Affected

ibm

i

CWE

NVD-CWE-noinfo

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