How severe is CVE-2000-0438?

CVE-2000-0438 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2000-0438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0438?

CVE-2000-0438 primarily affects Caldera Openlinux. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0438?

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-2000-0438 published?

CVE-2000-0438 was published on 2000-05-22 and last updated on 2026-06-16.

CVE-2000-0438

CVE-2000-0438 is a high-severity vulnerability in Caldera Openlinux 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: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Caldera Openlinux
Published: 2000-05-22
Last modified: 2026-06-16

Description

Buffer overflow in fdmount on Linux systems allows local users in the "floppy" group to execute arbitrary commands via a long mountpoint parameter.

Frequently asked questions

What is CVE-2000-0438?: Buffer overflow in fdmount on Linux systems allows local users in the "floppy" group to execute arbitrary commands via a long mountpoint parameter.
How severe is CVE-2000-0438?: CVE-2000-0438 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2000-0438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0438?: CVE-2000-0438 primarily affects Caldera Openlinux. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0438?: 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-2000-0438 published?: CVE-2000-0438 was published on 2000-05-22 and last updated on 2026-06-16.

References

Affected products (24)

cpe:2.3:o:caldera:openlinux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:3.3:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:3.4:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:3.5:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:3.6:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:3.9:*:*:*:*:*:*:*
cpe:2.3:o:slackware:slackware_linux:4.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:4.2:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:4.3:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:4.4:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:4.4.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:5.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:5.2:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:5.3:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.2:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.3:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:6.4:*:*:*:*:*:*:*
cpe:2.3:o:suse:suse_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:turbolinux:turbolinux:6.0:*:*:*:*:*:*:*
cpe:2.3:o:turbolinux:turbolinux:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:turbolinux:turbolinux:6.0.2:*:*:*:*:*:*:*

More vulnerabilities in Caldera Openlinux

CVE-2001-0850 — Critical (CVSS 10.0): A configuration error in the libdb1 package in OpenLinux 3.1 uses insecure versions of the snprintf and vsnprintf…
CVE-2000-0917 — Critical (CVSS 10.0): Format string vulnerability in use_syslog() function in LPRng 3.6.24 allows remote attackers to execute arbitrary…
CVE-2000-0844 — Critical (CVSS 10.0): Some functions that implement the locale subsystem on Unix do not properly cleanse user-injected format strings, which…
CVE-2000-0491 — Critical (CVSS 10.0): Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary…
CVE-1999-0879 — Critical (CVSS 10.0): Buffer overflow in WU-FTPD and related FTP servers allows remote attackers to gain root privileges via macro variables…
CVE-2000-0374 — Critical (CVSS 10.0): The default configuration of kdm in Caldera and Mandrake Linux, and possibly other distributions, allows XDMCP…

All CVEs affecting Caldera Openlinux →