How severe is CVE-2001-0993?

CVE-2001-0993 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2001-0993 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0993?

CVE-2001-0993 primarily affects Netbsd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0993?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2001-0993 published?

CVE-2001-0993 was published on 2001-07-24 and last updated on 2026-06-16.

CVE-2001-0993

CVE-2001-0993 is a low-severity vulnerability in Netbsd with a CVSS 2.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2001-07-24
Last modified: 2026-06-16

Description

sendmsg function in NetBSD 1.3 through 1.5 allows local users to cause a denial of service (kernel trap or panic) via a msghdr structure with a large msg_controllen length.

Frequently asked questions

What is CVE-2001-0993?: sendmsg function in NetBSD 1.3 through 1.5 allows local users to cause a denial of service (kernel trap or panic) via a msghdr structure with a large msg_controllen length.
How severe is CVE-2001-0993?: CVE-2001-0993 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2001-0993 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0993?: CVE-2001-0993 primarily affects Netbsd. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0993?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-0993 published?: CVE-2001-0993 was published on 2001-07-24 and last updated on 2026-06-16.

References

Affected products (9)

cpe:2.3:o:netbsd:netbsd:1.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.3.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.4:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.4.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.4.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.4.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:*

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