CVE-2019-3825

17

FAUCET Score

CVE-2019-3825 describes a bypass vulnerability in gdm (GNOME Display Manager) versions prior to 3.31.4, affecting various distributions including Canonical, GNOME, and Red Hat Enterprise Linux. When timed login is enabled, an attacker could gain unauthorized access to a logged-in user's session by selecting the timed login user and waiting for the timer to expire. This vulnerability has a CVSS score of 6.4 (Medium), indicating a physical attack vector with high impact on confidentiality, integrity, and availability, but requiring high attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 3.31.4CPE matchmatch criteria	cpe:2.3:a:gnome:gnome_display_manager::::::::
		18.04CPE matchmatch criteria	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
		18.10CPE matchmatch criteria	cpe:2.3:o:canonical:ubuntu_linux:18.10:::::::*
		7.0CPE matchmatch criteria	cpe:2.3:o:redhat:enterprise_linux:7.0:::::::*

CVSS Data

CVSS version used by this source: 3.0

6.3MEDIUM

CVSS:3.0/AV:P/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

0.4

Impact Score

5.9

CvssVersion

3.0

Exploit Intelligence

EPSS Score

0.50%

Probability of exploitation in next 30 days

EPSS Percentile

40.2%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0050 is in the 87th percentile among its peer group of 152 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (32)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: vinagre-0:3.22.0-21.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: libxslt-0:1.1.32-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: accountsservice-0:0.6.50-8.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: appstream-data-0:8-20191129.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: baobab-0:3.28.0-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: clutter-0:1.26.2-8.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: evince-0:3.28.4-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gdm-1:3.28.3-29.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gjs-0:1.56.2-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-boxes-0:3.28.5-8.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-control-center-0:3.28.2-19.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-menus-0:3.13.3-11.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-online-accounts-0:3.28.2-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-remote-desktop-0:0.1.6-8.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-session-0:3.28.1-8.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-settings-daemon-0:3.32.0-9.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-shell-0:3.32.2-14.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-software-0:3.30.6-3.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-terminal-0:3.28.3-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gnome-tweaks-0:3.28.1-7.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gsettings-desktop-schemas-0:3.32.0-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gtk3-0:3.22.30-5.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: gvfs-0:1.36.2-8.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: LibRaw-0:0.19.5-1.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: libvncserver-0:0.9.11-14.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mozjs52-0:52.9.0-2.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mozjs60-0:60.9.0-4.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: mutter-0:3.32.2-34.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: nautilus-0:3.28.1-12.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: vala-0:0.40.19-1.el8

redhatworkaround availablevia nvd_reference

redhatend of lifevia redhat_api

Product: Red Hat Enterprise Linux 6Fixed in: gdm

Vendor Advisories (1)

redhatCVE-2019-3825Moderate

gdm: lock screen bypass when timed login is enabled

References

bugzilla.redhat.com / show_bug.cgi

ExploitIssue TrackingMitigationThird Party Advisory

usn.ubuntu.com / 3892-1

Third Party Advisory