CVE-2019-3820

4.3 MEDIUM 0.5% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited with physical access without logging in. Limited direct impact.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2019-02-06 20:29 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:35 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.5% in the next 30 days (EPSS).
Severity: 4.3 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2019-02-06 20:29 UTC
Last modified: 2026-06-17 02:35 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-285
Record status: Modified

Affected

Gnome gnome-shell < 3.30.3
Gnome gnome-shell < 3.31.5
Opensuse Leap 15.0
Opensuse Leap 15.1
Opensuse Leap 42.3
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 18.10

Attack profile CVSS 3.1 · 4.3

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-3820.md and follow it. Check whether this project is affected by CVE-2019-3820. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record