What is the CVSS score of CVE-2019-3820?

CVE-2019-3820 has a CVSS 3.1 base score of 4.3 (Medium). CVSS vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.5%.

Is there a public PoC exploit available for CVE-2019-3820?

Yes, a public proof-of-concept exploit is available for CVE-2019-3820. Prioritise patching immediately. EPSS: 0.5%.

Is there a patch available for CVE-2019-3820?

Yes, a patch is available for CVE-2019-3820. Update the affected software to the latest version immediately.

Gnome Shell CVE-2019-3820

MEDIUM

Improper Authorization (CWE-285)

2019-02-06 secalert@redhat.com

Authentication Bypass Gnome Shell Leap Ubuntu Linux

4.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

4.3 MEDIUM

AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Physical

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

CVE Published

Feb 06, 2019 - 20:29 nvd

MEDIUM 4.3

DescriptionNVD

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.

AnalysisAI

It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-285. 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. Affected products include: Gnome Gnome-Shell, Opensuse Leap, Canonical Ubuntu Linux. Version information: version 3.15.91.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.