How severe is CVE-2000-0998?

CVE-2000-0998 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2000-0998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0998?

CVE-2000-0998 primarily affects Freebsd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0998?

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-2000-0998 published?

CVE-2000-0998 was published on 2000-12-11 and last updated on 2026-06-16.

CVE-2000-0998

CVE-2000-0998 is a high-severity vulnerability in Freebsd 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% (55th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Freebsd
Published: 2000-12-11
Last modified: 2026-06-16

Description

Format string vulnerability in top program allows local attackers to gain root privileges via the "kill" or "renice" function.

Frequently asked questions

What is CVE-2000-0998?: Format string vulnerability in top program allows local attackers to gain root privileges via the "kill" or "renice" function.
How severe is CVE-2000-0998?: CVE-2000-0998 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2000-0998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0998?: CVE-2000-0998 primarily affects Freebsd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0998?: 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-2000-0998 published?: CVE-2000-0998 was published on 2000-12-11 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:o:freebsd:freebsd:3.5:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:3.5:stable:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:3.5.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:3.5.1:release:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:3.5.1:stable:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.0:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.0:alpha:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.1:*:*:*:*:*:*:*
cpe:2.3:o:freebsd:freebsd:4.1.1:*:*:*:*:*:*:*

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