How severe is CVE-2000-1010?

CVE-2000-1010 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2000-1010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2000-1010?

CVE-2000-1010 primarily affects Openbsd. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2000-1010?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2000-1010 published?

CVE-2000-1010 was published on 2000-12-11 and last updated on 2026-06-16.

CVE-2000-1010

CVE-2000-1010 is a critical-severity vulnerability in Openbsd with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (90th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Openbsd
Published: 2000-12-11
Last modified: 2026-06-16

Description

Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via a user name that contains format characters.

Frequently asked questions

What is CVE-2000-1010?: Format string vulnerability in talkd in OpenBSD and possibly other BSD-based OSes allows remote attackers to execute arbitrary commands via a user name that contains format characters.
How severe is CVE-2000-1010?: CVE-2000-1010 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2000-1010 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-1010?: CVE-2000-1010 primarily affects Openbsd. In total, 10 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2000-1010?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2000-1010 published?: CVE-2000-1010 was published on 2000-12-11 and last updated on 2026-06-16.

References

Affected products (10)

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:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:5.1:*:*:*:*:*:*:*
cpe:2.3:o:redhat:linux:5.2:*:alpha:*:*:*:*:*
cpe:2.3:o:redhat:linux:5.2:*:i386:*:*:*:*:*
cpe:2.3:o:redhat:linux:5.2:*:sparc:*:*:*:*:*

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