Vulnerability Report

CVE-2019-3820

Title: Gnome Gnome-Shell Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2019-3820.

CWE Category CWE-287
Published Date Feb 06, 2019
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 4.3 CVSS v3.1
Exploit Probability (EPSS)
0.50%

Vulnerability Summary

CVE-2019-3820: It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. An attacker with physical access to a locked workstation could invoke certain keyboard shortcuts, and potentially other actions.

Impacted Vendors

G
gnome 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 https://usn.ubuntu.com/3966-1/ http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.html https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820 https://gitlab.gnome.org/GNOME/gnome-shell/issues/851 https://usn.ubuntu.com/3966-1/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v3.0
Source Entity [email protected]
Severity MEDIUM
4.8
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
CHANGED
RAW VECTOR CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.6
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-3820 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Stack

No specific products linked.