How severe is CVE-2000-0312?

CVE-2000-0312 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2000-0312 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-0312?

CVE-2000-0312 affects Openbsd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2000-0312?

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-2000-0312 published?

CVE-2000-0312 was published on 2001-03-12 and last updated on 2026-06-16.

CVE-2000-0312

CVE-2000-0312 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% (41st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openbsd
Published: 2001-03-12
Last modified: 2026-06-16

Description

cron in OpenBSD 2.5 allows local users to gain root privileges via an argv[] that is not NULL terminated, which is passed to cron's fake popen function.

Frequently asked questions

What is CVE-2000-0312?: cron in OpenBSD 2.5 allows local users to gain root privileges via an argv[] that is not NULL terminated, which is passed to cron's fake popen function.
How severe is CVE-2000-0312?: CVE-2000-0312 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2000-0312 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0312?: CVE-2000-0312 affects Openbsd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0312?: 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-2000-0312 published?: CVE-2000-0312 was published on 2001-03-12 and last updated on 2026-06-16.

References

http://www.openbsd.org/errata25.html#cron

Affected products (1)

cpe:2.3:o:openbsd:openbsd:2.5:*:*:*:*:*:*:*

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