How severe is CVE-2001-0734?

CVE-2001-0734 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2001-0734 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-0734?

CVE-2001-0734 primarily affects Netbsd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-0734?

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-2001-0734 published?

CVE-2001-0734 was published on 2001-10-18 and last updated on 2026-06-16.

CVE-2001-0734

CVE-2001-0734 is a high-severity vulnerability in Netbsd 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: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Netbsd
Published: 2001-10-18
Last modified: 2026-06-16

Description

Hitachi Super-H architecture in NetBSD 1.5 and 1.4.1 allows a local user to gain privileges via modified Status Register contents, which are not properly handled by (1) the sigreturn system call or (2) the process_write_regs kernel routine.

Frequently asked questions

What is CVE-2001-0734?: Hitachi Super-H architecture in NetBSD 1.5 and 1.4.1 allows a local user to gain privileges via modified Status Register contents, which are not properly handled by (1) the sigreturn system call or (2) the process_write_regs kernel routine.
How severe is CVE-2001-0734?: CVE-2001-0734 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2001-0734 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-0734?: CVE-2001-0734 primarily affects Netbsd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-0734?: 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-2001-0734 published?: CVE-2001-0734 was published on 2001-10-18 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:o:netbsd:netbsd:1.4.1:*:sh3:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:1.5:*:sh3:*:*:*:*:*

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