How severe is CVE-2003-1591?

CVE-2003-1591 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2003-1591 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2003-1591?

CVE-2003-1591 primarily affects Novell Netware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2003-1591?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2003-1591 published?

CVE-2003-1591 was published on 2010-04-05 and last updated on 2026-06-16.

CVE-2003-1591

CVE-2003-1591 is a medium-severity vulnerability in Novell Netware with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Novell Netware
Published: 2010-04-05
Last modified: 2026-06-16

Description

NWFTPD.nlm in the FTP server in Novell NetWare 6.0 before SP4 and 6.5 before SP1 allows user-assisted remote attackers to cause a denial of service (console hang) via a large number of FTP sessions, which are not properly handled during an NLM unload.

Frequently asked questions

What is CVE-2003-1591?: NWFTPD.nlm in the FTP server in Novell NetWare 6.0 before SP4 and 6.5 before SP1 allows user-assisted remote attackers to cause a denial of service (console hang) via a large number of FTP sessions, which are not properly handled during an NLM unload.
How severe is CVE-2003-1591?: CVE-2003-1591 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2003-1591 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-1591?: CVE-2003-1591 primarily affects Novell Netware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2003-1591?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2003-1591 published?: CVE-2003-1591 was published on 2010-04-05 and last updated on 2026-06-16.

References

http://www.novell.com/support/viewContent.do?externalId=3238588&sliceId=1

Affected products (5)

cpe:2.3:o:novell:netware:6.0:*:*:*:*:*:*:*
cpe:2.3:o:novell:netware:6.0:sp1:*:*:*:*:*:*
cpe:2.3:o:novell:netware:6.0:sp2:*:*:*:*:*:*
cpe:2.3:o:novell:netware:6.0:sp3:*:*:*:*:*:*
cpe:2.3:o:novell:netware:6.5:*:*:*:*:*:*:*

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