cbcvebase.
CVE-2005-0337
published 2005-05-02

CVE-2005-0337: 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…

PriorityP432high7.5CVSS 2.0
AVNACLAuNCPIPAP
EPSS
2.81%
84.9th percentile
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.

Affected

14 ranges
VendorProductVersion rangeFixed in
debianpostfix< postfix 2.1.4-5 (bookworm)postfix 2.1.4-5 (bookworm)
postfixpostfix>= 0 < 2.1.4-52.1.4-5
postfixpostfix>= 0 < 2.1.4-52.1.4-5
postfixpostfix>= 0 < 2.1.4-52.1.4-5
postfixpostfix>= 0 < 2.1.4-52.1.4-5
redhatenterprise_linux
redhatenterprise_linux_desktop
susesuse_linux
susesuse_linux
susesuse_linux
susesuse_linux
susesuse_linux
susesuse_linux
wietse_venemapostfix

CVSS provenance

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_redhat7.5HIGH
Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.