Vulnerability Report

CVE-2020-17489

Title: Gnome Gnome-Shell

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2020-17489.

CWE Category CWE-522
Published Date Aug 11, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 4.3 CVSS v3.1
Exploit Probability (EPSS)
0.55%

Vulnerability Summary

CVE-2020-17489: 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.)

Impacted Vendors

G
gnome 1

Reference Links

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html https://security.gentoo.org/glsa/202009-08 https://usn.ubuntu.com/4464-1/ http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997 https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html https://security.gentoo.org/glsa/202009-08 https://usn.ubuntu.com/4464-1/
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
4.3
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v2.0
Source Entity [email protected]
Severity LOW
1.9
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:L/AC:M/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-17489 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Stack

No specific products linked.