CVE-1999-0421

Name: CVE-1999-0421
Creator: NVD / NIST
Published: 1999-03-17T05:00:00+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.57%

Last modified Jun 16, 2026

CVE-1999-0421 is a vulnerability of currently unknown severity. During a reboot after an installation of Linux Slackware 3.6, a remote attacker can obtain root access by logging in to the root account without a password.. EPSS estimates a 1.57% chance of exploitation in the next 30 days.

Description

During a reboot after an installation of Linux Slackware 3.6, a remote attacker can obtain root access by logging in to the root account without a password.

Metrics

EPSS Probability

1.57%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Slackware	Slackware Linux	3.6

References

http://www.osvdb.org/981
http://www.securityfocus.com/bid/338Exploit, Patch, Vendor Advisory
http://www.osvdb.org/981
http://www.securityfocus.com/bid/338Exploit, Patch, Vendor Advisory

Timeline

Published: Mar 17, 1999
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-1999-0421?

During a reboot after an installation of Linux Slackware 3.6, a remote attacker can obtain root access by logging in to the root account without a password.

How severe is CVE-1999-0421?

Severity scoring for CVE-1999-0421 is pending analysis. The EPSS model estimates a 1.57% probability of exploitation in the next 30 days.

How do I fix CVE-1999-0421?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-1999-0421?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST