How severe is CVE-2004-0561?

CVE-2004-0561 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2004-0561 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0561?

CVE-2004-0561 affects University Of Minnesota Gopherd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2004-0561?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2004-0561 published?

CVE-2004-0561 was published on 2004-12-31 and last updated on 2026-06-16.

CVE-2004-0561

CVE-2004-0561 is a high-severity vulnerability in University Of Minnesota Gopherd with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: University Of Minnesota Gopherd
Published: 2004-12-31
Last modified: 2026-06-16

Description

Format string vulnerability in the log routine for gopher daemon (gopherd) 3.0.3 allows remote attackers to cause a denial of service and possibly execute arbitrary code.

Frequently asked questions

What is CVE-2004-0561?: Format string vulnerability in the log routine for gopher daemon (gopherd) 3.0.3 allows remote attackers to cause a denial of service and possibly execute arbitrary code.
How severe is CVE-2004-0561?: CVE-2004-0561 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2004-0561 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0561?: CVE-2004-0561 affects University Of Minnesota Gopherd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2004-0561?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2004-0561 published?: CVE-2004-0561 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:university_of_minnesota:gopherd:3.0.3:*:*:*:*:*:*:*

More vulnerabilities in University Of Minnesota Gopherd

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CVE-2004-0560 — High (CVSS 7.5): Integer overflow in gopher daemon (gopherd) 3.0.3 allows remote attackers to cause a denial of service and possibly…
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