How severe is CVE-2000-0994?

CVE-2000-0994 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2000-0994 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0994?

CVE-2000-0994 primarily affects Openbsd. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-0994?

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-2000-0994 published?

CVE-2000-0994 was published on 2000-12-19 and last updated on 2026-06-16.

CVE-2000-0994

CVE-2000-0994 is a high-severity vulnerability in Openbsd 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% (69th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openbsd
Published: 2000-12-19
Last modified: 2026-06-16

Description

Format string vulnerability in OpenBSD fstat program (and possibly other BSD-based operating systems) allows local users to gain root privileges via the PWD environmental variable.

Frequently asked questions

What is CVE-2000-0994?: Format string vulnerability in OpenBSD fstat program (and possibly other BSD-based operating systems) allows local users to gain root privileges via the PWD environmental variable.
How severe is CVE-2000-0994?: CVE-2000-0994 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2000-0994 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0994?: CVE-2000-0994 primarily affects Openbsd. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-0994?: 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-2000-0994 published?: CVE-2000-0994 was published on 2000-12-19 and last updated on 2026-06-16.

References

Affected products (5)

cpe:2.3:o:openbsd:openbsd:2.3:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.5:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*
cpe:2.3:o:openbsd:openbsd:2.7:*:*:*:*:*:*:*

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