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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…
High7.5EPSS 2.8%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.8% · top 13% of all CVEs (3 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (7)
- RHSA-2005:152 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 12445 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 20050204 [USN-74-1] Postfix vulnerability (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=267837 (opens in a new tab)x_refsource_CONFIRMx_transferred
- postfix-ipv6-security-bypass(19218) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 14137 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:11339 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .