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CVE-2020-17489

MEDIUM
4.3
CVSS Score
Published: August 11, 2020 at 08:07 PM UTC
Updated: June 17, 2026 at 02:59 AM UTC
4 products affected across 4 vendorsDebian LinuxUbuntu LinuxLeap

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.6%

Description

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.)

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (5)

Vendor Advisoryx_refsource_SUSEThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html
x_refsource_MISCExploitPatchVendor Advisory
Source: [email protected]
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202009-08
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4464-1/

CVSS

4.3MEDIUM[email protected]
Attack Vector
PHYSICAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-522

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