CVE-2003-0468: n/a vulnerability

CVE-2003-0468: Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks...

Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks of other hosts via an email address to the local host containing the target IP address and service name followed by a "!" string, which causes Postfix to attempt to use SMTP to communicate with the target on the associated port.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 8, 2024, 01:58 UTC (UTC+00:00)

Security readout for executives and security teams

Old Postfix mail servers could be abused as intermediaries to probe or pressure other systems. The immediate business risk is reputational and operational: a vulnerable mail server may be used in third-party scanning or denial-of-service activity, even if the attacker is not breaking into the server itself. Exposure is most likely on legacy internet-facing mail servers still running Postfix 1.1.11 or earlier, or distribution packages from that era without vendor security updates applied. Treat this as a legacy hygiene and abuse-prevention issue. It is not presented as a current mass-exploitation emergency, but exposed obsolete mail infrastructure should be remediated promptly to reduce operational and reputational risk. Mitigation focus: Inventory internet-facing mail servers for Postfix version and package provenance.; Apply the relevant vendor security advisory updates for the operating system distribution.; Retire or isolate unsupported mail hosts that cannot receive vendor fixes..

Prepared: Jun 30, 2026, 09:00 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Aug 5, 2003, 04:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

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2Source links

CVSS and timeline data

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Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:522CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

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