How severe is CVE-2001-1256?

CVE-2001-1256 has a CVSS 2.0 base score of 1.2, rated low severity.

Is CVE-2001-1256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1256?

CVE-2001-1256 primarily affects Hp Hp-ux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2001-1256?

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

When was CVE-2001-1256 published?

CVE-2001-1256 was published on 2001-06-11 and last updated on 2026-06-16.

CVE-2001-1256

CVE-2001-1256 is a low-severity vulnerability in Hp Hp-ux with a CVSS 2.0 base score of 1.2. 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 1.2)
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Hp Hp-ux
Published: 2001-06-11
Last modified: 2026-06-16

Description

kmmodreg in HP-UX 11.11, 11.04 and 11.00 allows local users to create arbitrary world-writeable files via a symlink attack on the (1) /tmp/.kmmodreg_lock and (2) /tmp/kmpath.tmp temporary files.

Frequently asked questions

What is CVE-2001-1256?: kmmodreg in HP-UX 11.11, 11.04 and 11.00 allows local users to create arbitrary world-writeable files via a symlink attack on the (1) /tmp/.kmmodreg_lock and (2) /tmp/kmpath.tmp temporary files.
How severe is CVE-2001-1256?: CVE-2001-1256 has a CVSS 2.0 base score of 1.2, rated low severity.
Is CVE-2001-1256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1256?: CVE-2001-1256 primarily affects Hp Hp-ux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2001-1256?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2001-1256 published?: CVE-2001-1256 was published on 2001-06-11 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:o:hp:hp-ux:11.00:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:11.04:*:*:*:*:*:*:*
cpe:2.3:o:hp:hp-ux:11.11:*:*:*:*:*:*:*

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