How severe is CVE-2001-0439?

CVE-2001-0439 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-0439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0439?

CVE-2001-0439 primarily affects Licq. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0439?

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-2001-0439 published?

CVE-2001-0439 was published on 2001-07-02 and last updated on 2026-06-16.

CVE-2001-0439

CVE-2001-0439 is a high-severity vulnerability in Licq 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% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Licq
Published: 2001-07-02
Last modified: 2026-06-16

Description

licq before 1.0.3 allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.

Frequently asked questions

What is CVE-2001-0439?: licq before 1.0.3 allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.
How severe is CVE-2001-0439?: CVE-2001-0439 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-0439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0439?: CVE-2001-0439 primarily affects Licq. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0439?: 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-2001-0439 published?: CVE-2001-0439 was published on 2001-07-02 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:a:licq:licq:*:*:*:*:*:*:*:*
cpe:2.3:o:conectiva:linux:4.0:*:*:*:*:*:*:*
cpe:2.3:o:conectiva:linux:4.0es:*:*:*:*:*:*:*
cpe:2.3:o:conectiva:linux:4.1:*:*:*:*:*:*:*
cpe:2.3:o:conectiva:linux:4.2:*:*:*:*:*:*:*
cpe:2.3:o:conectiva:linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:3.5.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.2:*:*:*:*:*:*:*
cpe:2.3:o:mandrakesoft:mandrake_linux:7.1:*:*:*:*:*:*:*
cpe:2.3:o:mandrakesoft:mandrake_linux:7.2:*:*:*:*:*:*:*
cpe:2.3:o:mandrakesoft:mandrake_linux_corporate_server:1.0.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:7.0:*:*:*:*:*:*:*

More vulnerabilities in Licq

CVE-2003-0363 — High (CVSS 7.5): Format string vulnerability in LICQ 1.2.6, 1.0.3 and possibly other versions allows remote attackers to perform unknown…
CVE-2002-0251 — High (CVSS 7.5): Buffer overflow in licq 1.0.4 and earlier allows remote attackers to cause a denial of service (crash) and possibly…
CVE-2001-0440 — High (CVSS 7.5): Buffer overflow in logging functions of licq before 1.0.3 allows remote attackers to cause a denial of service, and…
CVE-2008-1996 — Medium (CVSS 5.0): licq before 1.3.6 allows remote attackers to cause a denial of service (file-descriptor exhaustion and application…

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