CVE-2002-0511

CVE-2002-0511 is a high-severity vulnerability in Nscd 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

Description

The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.

Frequently asked questions

What is CVE-2002-0511?
The default configuration of Name Service Cache Daemon (nscd) in Caldera OpenLinux 3.1 and 3.1.1 uses cached PTR records instead of consulting the authoritative DNS server for the A record, which could make it easier for remote attackers to bypass applications that restrict access based on host names.
How severe is CVE-2002-0511?
CVE-2002-0511 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2002-0511 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2002-0511?
CVE-2002-0511 affects Nscd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2002-0511?
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-2002-0511 published?
CVE-2002-0511 was published on 2002-08-12 and last updated on 2026-06-16.

References

Affected products (1)