How severe is CVE-2004-2503?

CVE-2004-2503 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2004-2503 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-2503?

CVE-2004-2503 affects Inweb Mail Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-2503?

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

When was CVE-2004-2503 published?

CVE-2004-2503 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-2503

CVE-2004-2503 is a medium-severity vulnerability in Inweb Mail Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Inweb Mail Server
Published: 2004-12-31
Last modified: 2026-06-16

Description

INweb Mail Server 2.40 allows remote attackers to cause a denial of service (crash) via a large number of connect/disconnect actions to the (1) POP3 and (2) SMTP services.

Frequently asked questions

What is CVE-2004-2503?: INweb Mail Server 2.40 allows remote attackers to cause a denial of service (crash) via a large number of connect/disconnect actions to the (1) POP3 and (2) SMTP services.
How severe is CVE-2004-2503?: CVE-2004-2503 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-2503 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2503?: CVE-2004-2503 affects Inweb Mail Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-2503?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2503 published?: CVE-2004-2503 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:inweb:mail_server:2.40:*:*:*:*:*:*:*

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