CVE-2001-1256

1.2 LOW 6% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 6.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2001-06-11 04:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 21:55 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 6.1% in the next 30 days (EPSS).
Severity: 1.2 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2001-06-11 04:00 UTC
Last modified: 2026-06-16 21:55 UTC
Exploit probability: 6.1% · EPSS, next 30 days
Record status: Modified

Affected

HP hp-ux 11.00
HP hp-ux 11.04
HP hp-ux 11.11

Attack profile CVSS 2.0 · 1.2

Attack vector: Local
Complexity: High
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: None

Raw vector

AV:L/AC:H/Au:N/C:N/I:P/A:N

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2001-1256.md and follow it. Check whether this project is affected by CVE-2001-1256. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record