How severe is CVE-2003-1471?

CVE-2003-1471 has a CVSS 2.0 base score of 6.3, rated medium severity.

Is CVE-2003-1471 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1471?

CVE-2003-1471 affects Alt-n Mdaemon. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-1471?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-1471 published?

CVE-2003-1471 was published on 2003-12-31 and last updated on 2026-06-16.

CVE-2003-1471

CVE-2003-1471 is a medium-severity vulnerability in Alt-n Mdaemon with a CVSS 2.0 base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 6.3)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Alt-n Mdaemon
Published: 2003-12-31
Last modified: 2026-06-16

Description

MDaemon POP server 6.0.7 and earlier allows remote authenticated users to cause a denial of service (crash) via a (1) DELE or (2) UIDL with a negative number.

Frequently asked questions

What is CVE-2003-1471?: MDaemon POP server 6.0.7 and earlier allows remote authenticated users to cause a denial of service (crash) via a (1) DELE or (2) UIDL with a negative number.
How severe is CVE-2003-1471?: CVE-2003-1471 has a CVSS 2.0 base score of 6.3, rated medium severity.
Is CVE-2003-1471 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1471?: CVE-2003-1471 affects Alt-n Mdaemon. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-1471?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1471 published?: CVE-2003-1471 was published on 2003-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:alt-n:mdaemon:*:*:*:*:*:*:*:*

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