No exploitation reportedFix available

CVE-2019-3825

Q: Is CVE-2019-3825 actively exploited?

Active exploitation of CVE-2019-3825 has not been confirmed. Its EPSS score was 0.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2019-3825?

CVE-2019-3825 has a CVSS v3 base score of 6.4 (MEDIUM severity), with vector string CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2019-02-06
WeaknessCWE-287

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability was discovered in gdm before 3.31.4. When timed login is enabled in configuration, an attacker could bypass the lock screen by selecting the timed login user and waiting for the timer to expire, at which time they would gain access to the logged-in user's session.

Timeline

dates in UTC

2019-02-0620:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2019-3825?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2019-3825?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Canonical ubuntu linux

Branch	Affected	Fixed in	Source
18.4	= 18.04	no fix published	NVD
18.10	= 18.10	no fix published	NVD

Gnome gnome display manager

Branch	Affected	Fixed in	Source
3.31	< 3.31.4	3.31.4	NVD

Redhat enterprise linux

Branch	Affected	Fixed in	Source
7.0	= 7.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

accountsservice-develAlmaLinux:8all versions · fixed in 0.6.50-8.el8
baobabAlmaLinux:8all versions · fixed in 3.28.0-4.el8
clutterAlmaLinux:8all versions · fixed in 1.26.2-8.el8and 2 other packages
gjs-develAlmaLinux:8all versions · fixed in 1.56.2-4.el8
gnome-menusAlmaLinux:8all versions · fixed in 3.13.3-11.el8and 1 other package
gnome-tweaksAlmaLinux:8all versions · fixed in 3.28.1-7.el8
mozjs52AlmaLinux:8all versions · fixed in 52.9.0-2.el8and 1 other package
mozjs52AlmaLinux:8all versions · fixed in 52.9.0-2.el8.almaand 1 other package

3 more package ranges on OSV.dev

Vendor advisories

CVE-2019-3825 Red Hat Product Security995 products fixed · 6 known affected
gdm: lock screen bypass when timed login is enabled
gdm as a component of Red Hat Enterprise Linux 6 · gdm-libs as a component of Red Hat Enterprise Linux 6 · gdm-plugin-fingerprint as a component of Red Hat Enterprise Linux 6 · +3 more
RHSA-2020:1766 Red Hat Product Security773 products fixed
Red Hat Security Advisory: GNOME security, bug fix, and enhancement update

Full record on NVD

Fix

Vendor fix Red Hat Product Security RHSA-2020:1766 · 773 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
Workaround from the vendor Red Hat Product Security RHSA-2020:1766 · 773 productsEnsure timed login is not enabled in gdm configuration, by checking the output of: ~~~ grep TimedLogin /etc/gdm/custom.conf ~~~
No fix planned, says the vendor Red Hat Product Security CVE-2019-3825 · 6 productsWill not fix

Advisories and patches

bugzilla.redhat.comMitigation

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.06.3read 2026-10-23
NVDCVSS 3.06.4read 2026-10-23
NVDCVSS 2.06.9read 2026-10-23
CNAweakness (CWE)CWE-287read 2026-10-23
NVDweakness (CWE)CWE-287read 2026-10-23
FIRST EPSSEPSS score0.5 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2019-02-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2019-3825?

Is CVE-2019-3825 actively exploited?

Active exploitation of CVE-2019-3825 has not been confirmed. Its EPSS score was 0.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3825?

CVE-2019-3825 has a CVSS v3 base score of 6.4 (MEDIUM severity), with vector string CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

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