CVE-2020-16125

gdm: inability to timely contact accountservice via dbus leads gnome-initial-setup to creation of account with admin privileges

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Severity

Low

Red Hat Product Security

6.4

CVSS 3.1

Review impact separately from score.

Published · November 10, 2020

Updated · November 22, 2025

Description

A vulnerability was found in GDM. If gdm can't contact the AccountService service via DBus in a timely manner it would default to assume there are no existing users and would allow the attacker to create a new user with high privileges.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 6.4
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-636 · Not Failing Securely ('Failing Open')