// For flags

CVE-2021-20501

 

Severity Score

8.2
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

IBM i versiones 7.1, 7.2, 7.3 y 7.4 SMTP, permite a un atacante de red enviar correos electrónicos a destinatarios de dominio local inexistentes en el servidor SMTP, debido al uso de una configuración no predeterminada. Un atacante podría explotar esta vulnerabilidad para consumir ancho de banda de red y espacio en disco innecesarios, y permitir a atacantes remotos enviar correo electrónico no deseado.  IBM X-Force ID: 198056

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2020-12-17 CVE Reserved
  • 2021-04-21 CVE Published
  • 2023-11-26 EPSS Updated
  • 2024-09-17 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Ibm
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 I
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 7.1
Search vendor "Ibm" for product "I" and version "7.1"
-
Affected
Ibm
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 I
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 7.2
Search vendor "Ibm" for product "I" and version "7.2"
-
Affected
Ibm
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 I
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 7.3
Search vendor "Ibm" for product "I" and version "7.3"
-
Affected
Ibm
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 I
Search vendor "Ibm" for product "I"
 7.4
Search vendor "Ibm" for product "I" and version "7.4"
-
Affected