CVE-2018-20681

mate-screensaver before 1.20.2 in MATE Desktop Environment allows physically proximate attackers to view screen content and possibly control applications. By unplugging and re-plugging or power-cycling external output devices (such as additionally attached graphical outputs via HDMI, VGA, DVI, etc.) the content of a screensaver-locked session can be revealed. In some scenarios, the attacker can execute applications, such as by clicking with a mouse.

• CWE-200

• https://github.com/mate-desktop/mate-screensaver/issues/152Exploit, Patch, Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/issues/155Exploit, Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/issues/170Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/pull/167Patch, Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/issues/152Exploit, Patch, Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/issues/155Exploit, Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/issues/170Third Party Advisory
• https://github.com/mate-desktop/mate-screensaver/pull/167Patch, Third Party Advisory

Published

Jan 9, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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