CVE-2000-0901

4.6 MEDIUM 1.0% exploit odds Fix listed

What it is

Format string vulnerability in screen 3.9.5 and earlier allows local users to gain root privileges via format characters in the vbell_msg initialization variable.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. Limited direct impact.
Exploit odds: 1.0% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2000-12-19 05:00 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-23 09:10 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.0% in the next 30 days (EPSS).
Severity: 4.6 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2000-12-19 05:00 UTC
Last modified: 2026-09-23 09:10 UTC
Exploit probability: 1.0% · EPSS, next 30 days
Record status: Modified

Affected

Juergen Weigert Screen 3.9.3
Juergen Weigert Screen 3.9.4
Juergen Weigert Screen 3.9.5

Attack profile CVSS 2.0 · 4.6

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

Raw vector

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

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-2000-0901.md and follow it. Check whether this project is affected by CVE-2000-0901. 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