How severe is CVE-2003-0271?

CVE-2003-0271 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2003-0271 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-0271?

CVE-2003-0271 affects Cooolsoft Personal Ftp Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2003-0271?

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-2003-0271 published?

CVE-2003-0271 was published on 2003-05-27 and last updated on 2026-06-16.

CVE-2003-0271

CVE-2003-0271 is a high-severity vulnerability in Cooolsoft Personal Ftp Server 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: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Cooolsoft Personal Ftp Server
Published: 2003-05-27
Last modified: 2026-06-16

Description

Buffer overflow in Personal FTP Server allows remote attackers to execute arbitrary code via a long USER argument.

Frequently asked questions

What is CVE-2003-0271?: Buffer overflow in Personal FTP Server allows remote attackers to execute arbitrary code via a long USER argument.
How severe is CVE-2003-0271?: CVE-2003-0271 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2003-0271 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0271?: CVE-2003-0271 affects Cooolsoft Personal Ftp Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0271?: 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-2003-0271 published?: CVE-2003-0271 was published on 2003-05-27 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:cooolsoft:personal_ftp_server:*:*:*:*:*:*:*:*

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CVE-2002-1544 — Medium (CVSS 6.4): Directory traversal vulnerability in CooolSoft Personal FTP Server 2.24 allows remote attackers to read or modify…
CVE-2002-1545 — Medium (CVSS 5.0): CooolSoft Personal FTP Server 2.24 allows remote attackers to obtain the absolute pathname of the FTP root via a PWD…

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