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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
4.3/10

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

EPSS Probability
0.50%

38.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
GnomeGnome-Shell>= 3.15.91, < 3.30.3
GnomeGnome-Shell>= 3.31.0, < 3.31.5
OpensuseLeap15.0
OpensuseLeap15.1
OpensuseLeap42.3
CanonicalUbuntu Linux18.04
CanonicalUbuntu Linux18.10

References

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.

Are you affected by CVE-2019-3820?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST