7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.026 Low
EPSS
Percentile
90.3%
Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled in smtpd_recipient_restrictions, allows remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | postfix | < 2.1.4-5 | postfix_2.1.4-5_all.deb |
Debian | 11 | all | postfix | < 2.1.4-5 | postfix_2.1.4-5_all.deb |
Debian | 999 | all | postfix | < 2.1.4-5 | postfix_2.1.4-5_all.deb |
Debian | 13 | all | postfix | < 2.1.4-5 | postfix_2.1.4-5_all.deb |