Vulnerability Report

CVE-1999-0421

Title: Slackware 3.6 permits root login without password after reboot

Other

Proof Of Concept

No public PoC currently indexed for CVE-1999-0421.

CWE Category NVD-CWE-noinfo

Published Date Mar 17, 1999

Modified Date Jun 16, 2026

Exploit Status Not Found

Score 7.2 CVSS v2.0

Exploit Probability (EPSS)

1.57%

Vulnerability Summary

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.

Impacted Vendors

slackware 1

Reference Links

http://www.osvdb.org/981 http://www.securityfocus.com/bid/338 http://www.osvdb.org/981 http://www.securityfocus.com/bid/338

CVSS v2.0

Source Entity [email protected]

Severity HIGH

7.2

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:C/I:C/A:C

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-1999-0421 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 03, 2025 MODIFIED

Vulnerability data or affected products updated.

March 17, 1999 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.