CVE-2004-2520

CVE-2004-2520 is a medium-severity vulnerability with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

POP3 protocol in Gattaca Server 2003 1.1.10.0 allows remote authenticated users to cause a denial of service (application crash) via a large numeric value in the (1) LIST, (2) RETR, or (3) UIDL commands.

Frequently asked questions

What is CVE-2004-2520?
POP3 protocol in Gattaca Server 2003 1.1.10.0 allows remote authenticated users to cause a denial of service (application crash) via a large numeric value in the (1) LIST, (2) RETR, or (3) UIDL commands.
How severe is CVE-2004-2520?
CVE-2004-2520 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2004-2520 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2004-2520?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2520 published?
CVE-2004-2520 was published on 2004-12-31 and last updated on 2026-06-16.

References