Skip to content
Noroxi
CVE-2019-3820· NVD / CVE Program· CNA redhat

It was discovered that the gnome-shell lock screen since version 3.15.91 did not properly restrict all contextual actions.

Noroxi assessment

Priority: Monitor (action score 17/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.49% (FIRST EPSS).
  • Physical access to the device is required. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • Fixed version: gnome-shell (Debian:12) 3.30.2-3; gnome-shell (openSUSE:Leap 15.0) 3.26.2+20180130.0d9c74212-lp151.7.3.1; gnome-shell (openSUSE:Tumbleweed) 40.5-1.1.

Low priority for now. Upgrade to gnome-shell (Debian:12) 3.30.2-3; gnome-shell (openSUSE:Leap 15.0) 3.26.2+20180130.0d9c74212-lp151.7.3.1; gnome-shell (openSUSE:Tumbleweed) 40.5-1.1 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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.

MediumCVSS 4.3 · v3.1—No exploit Fix available
Published
Feb 6, 2019
Updated
Jun 16, 2026
EPSS
0.4% · 41th percentile

Report tools

JSON

Action score

17

Monitor

Low priority for now.

CVSS
17 / 40 · 4.3 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.4%

CNA vs NVD score

NVD
4.3
CNA · redhat
4.8
0.5 point gap

CVSS:3.0/AV:P/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • No public exploit code on record
  • A fix has been released

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2019-3820

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

One daily email digest (06:00 UTC); connect a webhook for KEV listings and weaponized exploits instantly.

Your free account also gets you

Running WordPress? Scan your site free with WP Lens

  • Stack alerts: add the products and versions you run, get the new CVEs that affect them
  • Uptime monitoring: 1 site, instant email when it goes down
  • Add your domain: subdomains and takeover risk scanned every week (1 domain)
  • 10 scans an hour on the security tools (3 a day without an account), an API key and MCP
  • All your scans in one panel: findings, what changed in the last scan, a report per domain or per client (PDF, share link)
All free tools

Sign up with email · Have an account? Sign in

Free account, no card. Unfollow any time.

Don't want an account? Get "Exploited this week" by email every MondayDon't want an account? RSS feed for gnome records

Running WordPress? Scan your site free with WP Lens

Is your version affected? Check it

Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

We use this product, ask for help

Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
gnomegnome-shell
opensuseleap
canonicalubuntu linux

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • canonical ubuntu linux18.04
  • canonical ubuntu linux18.10
  • gnome gnome-shell3.31.0 and later · before 3.31.5
  • gnome gnome-shell3.15.91 and later · before 3.30.3
  • opensuse leap15.0
  • opensuse leap15.1
  • opensuse leap42.3

Versions reported by the vendor

Affected version ranges reported by the assigning authority (redhat). Independent of NVD's CPE analysis and usually ahead of it.

  • The Gnome Project gnome-shell

    • since 3.15.91affected

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12gnome-shellbefore 3.30.2-33.30.2-3
openSUSE:Leap 15.0gnome-shellbefore 3.26.2+20180130.0d9c74212-lp151.7.3.13.26.2+20180130.0d9c74212-lp151.7.3.1
openSUSE:Tumbleweedgnome-shellbefore 40.5-1.140.5-1.1
Red Hat:enterprise_linux:7::clientaccountsservicebefore 0:0.6.50-7.el70:0.6.50-7.el7
Red Hat:enterprise_linux:7::clientaccountsservice-debuginfobefore 0:0.6.50-7.el70:0.6.50-7.el7
Red Hat:enterprise_linux:7::clientaccountsservice-develbefore 0:0.6.50-7.el70:0.6.50-7.el7
Red Hat:enterprise_linux:7::clientaccountsservice-libsbefore 0:0.6.50-7.el70:0.6.50-7.el7
Red Hat:enterprise_linux:7::clientcolordbefore 0:1.3.4-2.el70:1.3.4-2.el7
Red Hat:enterprise_linux:7::clientcolord-debuginfobefore 0:1.3.4-2.el70:1.3.4-2.el7
Red Hat:enterprise_linux:7::clientcolord-develbefore 0:1.3.4-2.el70:1.3.4-2.el7
Red Hat:enterprise_linux:7::clientcolord-devel-docsbefore 0:1.3.4-2.el70:1.3.4-2.el7
Red Hat:enterprise_linux:7::clientcolord-extra-profilesbefore 0:1.3.4-2.el70:1.3.4-2.el7
Red Hat:enterprise_linux:7::clientcolord-libsbefore 0:1.3.4-2.el70:1.3.4-2.el7
Red Hat:enterprise_linux:7::clientcontrol-centerbefore 1:3.28.1-6.el71:3.28.1-6.el7
Red Hat:enterprise_linux:7::clientcontrol-center-debuginfobefore 1:3.28.1-6.el71:3.28.1-6.el7
Red Hat:enterprise_linux:7::clientcontrol-center-filesystembefore 1:3.28.1-6.el71:3.28.1-6.el7
Red Hat:enterprise_linux:7::clientgdmbefore 1:3.28.2-22.el71:3.28.2-22.el7
Red Hat:enterprise_linux:7::clientgdm-debuginfobefore 1:3.28.2-22.el71:3.28.2-22.el7
Red Hat:enterprise_linux:7::clientgdm-develbefore 1:3.28.2-22.el71:3.28.2-22.el7
Red Hat:enterprise_linux:7::clientgdm-pam-extensions-develbefore 1:3.28.2-22.el71:3.28.2-22.el7
Red Hat:enterprise_linux:7::clientgnome-classic-sessionbefore 0:3.28.1-11.el70:3.28.1-11.el7
Red Hat:enterprise_linux:7::clientgnome-online-accountsbefore 0:3.28.2-1.el70:3.28.2-1.el7
Red Hat:enterprise_linux:7::clientgnome-online-accounts-debuginfobefore 0:3.28.2-1.el70:3.28.2-1.el7
Red Hat:enterprise_linux:7::clientgnome-online-accounts-develbefore 0:3.28.2-1.el70:3.28.2-1.el7

+96

Same product

gnome: all records

Other highest-scoring records for the same primary product.

  • CVE-2017-8288gnome-shell 3.22 through 3.24.1 mishandles extensions that fail to reload, which can lead to leaving extensions enabled in the lock screen.
    33Monitor
  • CVE-2014-7300GNOME Shell 3.14.x before 3.14.1, when the Screen Lock feature is used, does not limit the aggregate memory consumption of all active PrtSc
    28Monitor
  • CVE-2012-4427The gnome-shell plugin 3.4.1 in GNOME allows remote attackers to force the download and installation of arbitrary extensions from extensions
    27Monitor

Published before and after this one in the same product

  • ← EarlierCVE-2013-7220Apr 29, 2014 · js/ui/screenShield.js in GNOME Shell (aka gnome-shell) before 3.8 allows physically proximate attackers to execute arbitrary commands by lev
    18Monitor
  • ← EarlierCVE-2013-7221Apr 29, 2014 · The automatic screen lock functionality in GNOME Shell (aka gnome-shell) before 3.10 does not prevent access to the "Enter a Command" dialog
    18Monitor
  • Later →CVE-2020-17489Aug 11, 2020 · An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4.
    17Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:gnome-shell3.30.2-3 · Debian:12Package registry (OSV)
opensuse:gnome-shell3.26.2+20180130.0d9c74212-lp151.7.3.1 · openSUSE:Leap 15.0Package registry (OSV)
red hat:accountsservice0:0.6.50-7.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-debuginfo0:0.6.50-7.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-debugsource0:0.6.50-7.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-libs0:0.6.50-7.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:accountsservice-libs-debuginfo0:0.6.50-7.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:appstream-data0:8-20190805.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:baobab0:3.28.0-2.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:baobab-debuginfo0:3.28.0-2.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:SDL0:1.2.15-35.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:SDL-debuginfo0:1.2.15-35.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:SDL-debugsource0:1.2.15-35.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
red hat:SDL-devel0:1.2.15-35.el8 · Red Hat:enterprise_linux:8::appstreamPackage registry (OSV)
rocky linux:gdk-pixbuf20:2.36.12-5.el8 · Rocky Linux:8Package registry (OSV)
rocky linux:gnome-desktop30:3.32.2-1.el8 · Rocky Linux:8Package registry (OSV)
rocky linux:pango0:1.42.4-6.el8 · Rocky Linux:8Package registry (OSV)
rocky linux:pidgin0:2.13.0-5.el8 · Rocky Linux:8Package registry (OSV)
suse:gnome-shell3.20.4-77.23.1 · SUSE:Linux Enterprise Desktop 12 SP3Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Physical access to the device is required.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
low · data can be read
Integrity
low · data or configuration can be modified
Availability
low · the service can be disrupted
Attack vector
Physical
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
Low
Integrity impact
Low
Availability impact
Low

Weakness class (CWE)

CWE-285 · Improper Authorization

CVSS vector

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

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (3 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records