How severe is CVE-2000-0374?

CVE-2000-0374 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-0374 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0374?

CVE-2000-0374 primarily affects Caldera Openlinux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0374?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2000-0374 published?

CVE-2000-0374 was published on 1999-08-22 and last updated on 2026-06-16.

CVE-2000-0374

CVE-2000-0374 is a critical-severity vulnerability in Caldera Openlinux with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Caldera Openlinux
Published: 1999-08-22
Last modified: 2026-06-16

Description

The default configuration of kdm in Caldera and Mandrake Linux, and possibly other distributions, allows XDMCP connections from any host, which allows remote attackers to obtain sensitive information or bypass additional access restrictions.

Frequently asked questions

What is CVE-2000-0374?: The default configuration of kdm in Caldera and Mandrake Linux, and possibly other distributions, allows XDMCP connections from any host, which allows remote attackers to obtain sensitive information or bypass additional access restrictions.
How severe is CVE-2000-0374?: CVE-2000-0374 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-0374 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0374?: CVE-2000-0374 primarily affects Caldera Openlinux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0374?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-0374 published?: CVE-2000-0374 was published on 1999-08-22 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:caldera:openlinux:2.2:*:*:*:*:*:*:*
cpe:2.3:o:caldera:openlinux:2.3:*:*:*:*:*:*:*

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-1999-0368 — Critical (CVSS 10.0): Buffer overflows in wuarchive ftpd (wu-ftpd) and ProFTPD lead to remote root access, a.k.a. palmetto.

All CVEs affecting Caldera Openlinux →