CVE-2018-20681

6.1 mediumEPSS 0.6%

Medium (6.1) in mate-desktop mate-screensaver. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.0

6.1 medium

CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2019-01-09
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

mate-desktop:mate-screensaver

References

https://github.com/mate-desktop/mate-screensaver/issues/152
https://github.com/mate-desktop/mate-screensaver/issues/155
https://github.com/mate-desktop/mate-screensaver/issues/170
https://github.com/mate-desktop/mate-screensaver/pull/167
https://github.com/mate-desktop/mate-screensaver/issues/152

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