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.

Published: 2003-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2003-1471 is rated Moderate Risk (47.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.53%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-1471

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 0.43% 0.53% +0.09%
2 2025-03-29 0.53% 0.43% -0.09%
3 2025-03-17 — 0.53% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-1471

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.3 2.0 MEDIUM
AV:N/AC:M/Au:S/C:N/I:N/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:C)
Complete availability impact.
 6.8 6.9 [email protected]

Weakness enumeration for CVE-2003-1471

Affected software / configurations for CVE-2003-1471

Vendor Product Version Raw CPE
alt-n mdaemon <= 6.0.7 cpe:2.3:a:alt-n:mdaemon:*:*:*:*:*:*:*:*

References for CVE-2003-1471

cvelogic Threat Intelligence