How severe is CVE-2009-3484?

CVE-2009-3484 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2009-3484 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-3484?

CVE-2009-3484 affects Coreftp Core Ftp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-3484?

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

When was CVE-2009-3484 published?

CVE-2009-3484 was published on 2009-09-30 and last updated on 2026-06-16.

CVE-2009-3484

CVE-2009-3484 is a critical-severity vulnerability in Coreftp Core Ftp with a CVSS 2.0 base score of 9.3. 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-119.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 6% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Coreftp Core Ftp
Published: 2009-09-30
Last modified: 2026-06-16

Description

Stack-based buffer overflow in Core FTP 2.1 build 1612 allows user-assisted remote attackers to execute arbitrary code via a long hostname in an FTP server entry in a site backup file. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2009-3484?: Stack-based buffer overflow in Core FTP 2.1 build 1612 allows user-assisted remote attackers to execute arbitrary code via a long hostname in an FTP server entry in a site backup file. NOTE: some of these details are obtained from third party information.
How severe is CVE-2009-3484?: CVE-2009-3484 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2009-3484 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-3484?: CVE-2009-3484 affects Coreftp Core Ftp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-3484?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2009-3484 published?: CVE-2009-3484 was published on 2009-09-30 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:coreftp:core_ftp:2.1:*:*:*:*:*:*:*

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