How severe is CVE-2001-0256?

CVE-2001-0256 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0256?

CVE-2001-0256 affects Fastream Ftp++ Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-0256?

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-2001-0256 published?

CVE-2001-0256 was published on 2001-06-02 and last updated on 2026-06-16.

CVE-2001-0256

CVE-2001-0256 is a high-severity vulnerability in Fastream 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: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fastream Ftp++ Server
Published: 2001-06-02
Last modified: 2026-06-16

Description

FaSTream FTP++ Server 2.0 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long username.

Frequently asked questions

What is CVE-2001-0256?: FaSTream FTP++ Server 2.0 allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long username.
How severe is CVE-2001-0256?: CVE-2001-0256 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0256?: CVE-2001-0256 affects Fastream Ftp++ Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-0256?: 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-2001-0256 published?: CVE-2001-0256 was published on 2001-06-02 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:fastream:ftp\+\+_server:2.0:*:*:*:*:*:*:*

More vulnerabilities in Fastream Ftp++ Server

CVE-2000-0831 — High (CVSS 7.5): Buffer overflow in Fastream FTP++ 2.0 allows remote attackers to cause a denial of service and possibly execute…
CVE-2001-0254 — Medium (CVSS 5.0): FaSTream FTP++ Server 2.0 allows remote attackers to obtain the real pathname of the server via the "pwd" command.

All CVEs affecting Fastream Ftp++ Server →