CVE-2019-3820
MEDIUMCVSS 4.3/10EPSS 0.50%
Last modified
CVE-2019-3820 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.50% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnome | Gnome-Shell | >= 3.15.91, < 3.30.3 |
| Gnome | Gnome-Shell | >= 3.31.0, < 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 |
References
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-shell/issues/851Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3966-1/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00023.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00049.htmlMailing List, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3820Exploit, Issue Tracking, Third Party Advisory
- https://gitlab.gnome.org/GNOME/gnome-shell/issues/851Issue Tracking, Patch, Third Party Advisory
- https://usn.ubuntu.com/3966-1/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2019-3820?
CVE-2019-3820 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.50% probability of exploitation in the next 30 days.
How do I fix CVE-2019-3820?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-3820?
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Scan your code nowSource: NVD / NIST