CVE-2018-20681

MEDIUM

mate-screensaver < 1.20.2 - Unauthorized Screen Content Exposure via External Display Reconnection

Title source: llm
STIX 2.1

Description

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.

References (4)

Core 4
Core References
Patch, Third Party Advisory x_refsource_misc
https://github.com/mate-desktop/mate-screensaver/pull/167
Third Party Advisory x_refsource_misc
https://github.com/mate-desktop/mate-screensaver/issues/170
Exploit, Patch, Third Party Advisory x_refsource_misc
https://github.com/mate-desktop/mate-screensaver/issues/152
Exploit, Third Party Advisory x_refsource_misc
https://github.com/mate-desktop/mate-screensaver/issues/155

Scores

CVSS v3 6.1
EPSS 0.0058
EPSS Percentile 43.2%
Attack Vector PHYSICAL
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-200
Status published
Products (1)
mate-desktop/mate-screensaver < 1.20.2
Published Jan 09, 2019
Tracked Since Feb 18, 2026