How severe is CVE-2001-0387?

CVE-2001-0387 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2001-0387 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0387?

CVE-2001-0387 primarily affects Hylafax. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0387?

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-2001-0387 published?

CVE-2001-0387 was published on 2001-07-02 and last updated on 2026-06-16.

CVE-2001-0387

CVE-2001-0387 is a high-severity vulnerability in Hylafax with a CVSS 2.0 base score of 7.2. 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 7.2)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hylafax
Published: 2001-07-02
Last modified: 2026-06-16

Description

Format string vulnerability in hfaxd in HylaFAX before 4.1.b2_2 allows local users to gain privileges via the -q command line argument.

Frequently asked questions

What is CVE-2001-0387?: Format string vulnerability in hfaxd in HylaFAX before 4.1.b2_2 allows local users to gain privileges via the -q command line argument.
How severe is CVE-2001-0387?: CVE-2001-0387 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2001-0387 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0387?: CVE-2001-0387 primarily affects Hylafax. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0387?: 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-2001-0387 published?: CVE-2001-0387 was published on 2001-07-02 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:hylafax:hylafax:4.0_pl0:*:*:*:*:*:*:*
cpe:2.3:a:hylafax:hylafax:4.0_pl1:*:*:*:*:*:*:*
cpe:2.3:a:hylafax:hylafax:4.0_pl2:*:*:*:*:*:*:*
cpe:2.3:a:hylafax:hylafax:4.1_beta1:*:*:*:*:*:*:*
cpe:2.3:a:hylafax:hylafax:4.1_beta2:*:*:*:*:*:*:*
cpe:2.3:a:hylafax:hylafax:4.1_beta3:*:*:*:*:*:*:*

More vulnerabilities in Hylafax

CVE-2003-0886 — Critical (CVSS 10.0): Format string vulnerability in hfaxd for Hylafax 4.1.7 and earlier allows remote attackers to execute arbitrary code.
CVE-2018-17141 — Critical (CVSS 9.8): HylaFAX 6.0.6 and HylaFAX+ 5.6.0 allow remote attackers to execute arbitrary code via a dial-in session that provides a…
CVE-2005-3539 — High (CVSS 7.5): Multiple eval injection vulnerabilities in HylaFAX 4.2.3 and earlier allow remote attackers to execute arbitrary…
CVE-2004-1182 — High (CVSS 7.5): hfaxd in HylaFAX before 4.2.1, when installed with a "weak" hosts.hfaxd file, allows remote attackers to authenticate…
CVE-2002-1050 — High (CVSS 7.5): Buffer overflow in HylaFAX faxgetty before 4.1.3 allows remote attackers to cause a denial of service, and possibly…
CVE-1999-1340 — High (CVSS 7.2): Buffer overflow in faxalter in hylafax 4.0.2 allows local users to gain privileges via a long -m command line argument.

All CVEs affecting Hylafax →