CVE-2002-0517

CVE-2002-0517 is a high-severity vulnerability in Caldera Unixware 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

Description

Buffer overflow in X11 library (libX11) on Caldera Open UNIX 8.0.0, UnixWare 7.1.1, and possibly other operating systems, allows local users to gain root privileges via a long -xrm argument to programs such as (1) dtterm or (2) xterm.

Frequently asked questions

What is CVE-2002-0517?
Buffer overflow in X11 library (libX11) on Caldera Open UNIX 8.0.0, UnixWare 7.1.1, and possibly other operating systems, allows local users to gain root privileges via a long -xrm argument to programs such as (1) dtterm or (2) xterm.
How severe is CVE-2002-0517?
CVE-2002-0517 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2002-0517 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0517?
CVE-2002-0517 primarily affects Caldera Unixware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0517?
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-2002-0517 published?
CVE-2002-0517 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (2)

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