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    CVE-1999-0990

    Error messages generated by gdm with the VerboseAuth setting allows an attacker to identify valid users on a system.

    Published:Dec 5, 1999
    Last Modified:Apr 16, 2026
    EPS:Feb 4, 2000
    EPSS Score:0.0013
    CVSS Score:2.1

    Affected Products

    Vendor
    Gnome
    Product
    Gdm

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2011-1709 (CVSS 7.2) — GNOME Display Manager (gdm) before 2.32.2, when glib 2.28 is used, enables execution of a web browser with the…
    CVE-2011-0727 (CVSS 6.9) — GNOME Display Manager (gdm) 2.x before 2.32.1 allows local users to change the ownership of arbitrary files vi…
    CVE-2007-3381 (CVSS 1.5) — The GDM daemon in GNOME Display Manager (GDM) before 2.14.13, 2.16.x before 2.16.7, 2.18.x before 2.18.4, and …
    CVE-2009-2697 (CVSS 6.8) — The Red Hat build script for the GNOME Display Manager (GDM) before 2.16.0-56 on Red Hat Enterprise Linux (RHE…
    CVE-2006-6105 (CVSS 4.3) — Format string vulnerability in the host chooser window (gdmchooser) in GNOME Foundation Display Manager (gdm) …
    CVE-2006-2452 (CVSS 3.7) — GNOME GDM 2.8, 2.12, 2.14, and 2.15, when the "face browser" feature is enabled, allows local users to access …
    CVE-2006-1057 (CVSS 3.7) — Race condition in daemon/slave.c in gdm before 2.14.1 allows local users to gain privileges via a symlink atta…
    CVE-2003-0793 (CVSS 2.1) — GDM 2.4.4.x before 2.4.4.4, and 2.4.1.x before 2.4.1.7, does not restrict the size of input, which allows atta…
    CVE-2003-0794 (CVSS 2.1) — GDM 2.4.4.x before 2.4.4.4, and 2.4.1.x before 2.4.1.7, does not limit the number or duration of commands and …
    CVE-2003-0548 (CVSS 5) — The X Display Manager Control Protocol (XDMCP) support for GDM before 2.4.1.6 allows attackers to cause a deni…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High