Medium
Gnome-shell: screenshot tool allows viewing open windows when session is locked
Type: advisorySources: OSV
A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2023-43090
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 08:49 UTC · Revision 1
Source evidence
Gnome-shell: screenshot tool allows viewing open windows when session is locked
core-osv · Original sourcePublished 22 Sept 2023, 05:02 UTC
A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.
osv:CVE-2023-43090
Complete source record
{
"id": "88c3dbcdb7f85ee33e87119f0d0037968b3297bf3944a0281559bc9ab3b2acac",
"url": "https://osv.dev/vulnerability/CVE-2023-43090",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Gnome-shell: screenshot tool allows viewing open windows when session is locked",
"summary": "A vulnerability was found in GNOME Shell. GNOME Shell's lock screen allows an unauthenticated local user to view windows of the locked desktop session by using keyboard shortcuts to unlock the restricted functionality of the screenshot tool.",
"evidence": "osv:CVE-2023-43090",
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"metrics": [
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"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/gnome/gnome-shell",
"type": "GIT",
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"cpe": "cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:*",
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{
"cpe": "cpe:2.3:a:gnome:gnome-shell:42:*:*:*:*:*:*:*",
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{
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"database_specific": {
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"cpe": "cpe:2.3:a:gnome:gnome-shell:*:*:*:*:*:*:*:*",
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{
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{
"cpe": "cpe:2.3:a:gnome:gnome-shell:42:*:*:*:*:*:*:*",
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{
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],
"source": "CPE_STRING"
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],
"versions": [
"42",
"43.8",
"44.4",
"43.7",
"44.3",
"43.6",
"44.2",
"43.5",
"44.1",
"43.4",
"44.0",
"43.3",
"43.2",
"43.1",
"43.0",
"42.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-43090.json"
}
}
],
"modified": "2026-10-28T02:30:27.263884589Z",
"provider": "osv",
"references": [
"https://access.redhat.com/security/cve/CVE-2023-43090",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43090.json",
"https://nvd.nist.gov/vuln/detail/CVE-2023-43090",
"https://bugzilla.redhat.com/show_bug.cgi?id=2239087",
"https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6990",
"https://gitlab.gnome.org/GNOME/gnome-shell/-/merge_requests/2944",
"https://gitlab.gnome.org/GNOME/gnome-shell"
],
"provider_metadata": {
"cna_assigner": "fedora",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43090.json"
}
},
"related_cves": [
{
"value": "CVE-2023-43090",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 493971,
"published_at": "2023-09-22T05:02:08.801+00:00"
}