Medium
Security advisory
An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-17489
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 08:48 UTC · Revision 1
Source evidence
An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)
osv:CVE-2020-17489
Complete source record
{
"id": "fd36d0120eb34b06f2ce7bfecf77fab72aa6352e7cf664ad6d7d67172c446f02",
"url": "https://osv.dev/vulnerability/CVE-2020-17489",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-17489",
"summary": "An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4. When logging out of an account, the password box from the login dialog reappears with the password still visible. If the user had decided to have the password shown in cleartext at login time, it is then visible for a brief moment upon a logout. (If the password were never shown in cleartext, only the password length is revealed.)",
"evidence": "osv:CVE-2020-17489",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-17489",
"aliases": [
"CVE-2020-17489"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"
}
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"affected": [
{
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],
"modified": "2026-10-24T10:50:22.603308013Z",
"provider": "osv",
"references": [
"https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html",
"https://security.gentoo.org/glsa/202009-08",
"https://usn.ubuntu.com/4464-1/",
"https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997"
],
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},
"related_cves": [
{
"value": "CVE-2020-17489",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 442081,
"published_at": "2020-08-11T21:15:10.837+00:00"
}