CVE-2021-20501
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.
References
CvssV3 impact
BaseSeverity | HIGH |
ConfidentialityImpact | NONE |
AttackComplexity | LOW |
Scope | UNCHANGED |
AttackVector | NETWORK |
AvailabilityImpact | HIGH |
IntegrityImpact | LOW |
PrivilegesRequired | NONE |
BaseScore | 8.2 |
VectorString | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H |
Version | 3.1 |
UserInteraction | NONE |
CvssV2 impact
AccessComplexity | LOW |
ConfidentialityImpact | NONE |
AvailabilityImpact | PARTIAL |
IntegrityImpact | PARTIAL |
BaseScore | 6.4 |
VectorString | AV:N/AC:L/Au:N/C:N/I:P/A:P |
Version | 2.0 |
AccessVector | NETWORK |
Authentication | NONE |