CVE-2021-34557 is a buffer overflow vulnerability in XScreenSaver 5.45 that allows an attacker to bypass the screen lock authentication mechanism. This vulnerability affects Fedora and XScreenSaver products. It has a CVSS score of 4.6 (Medium) and requires physical access to the machine to disconnect more than ten video outputs, leading to a denial of service that bypasses the lock. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.45CPE matchmatch criteria | cpe:2.3:a:xscreensaver_project:xscreensaver:5.45:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.