CVE-2018-20681

Name: CVE-2018-20681
Creator: NVD / NIST
Published: 2019-01-09T23:29:05.23+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.58%

Last modified Jun 17, 2026

CVE-2018-20681 is a vulnerability of currently unknown severity. 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. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.58%

43.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Mate-Desktop	Mate-Screensaver	< 1.20.2

References

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

Timeline

Published: Jan 9, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-20681?

How severe is CVE-2018-20681?

Severity scoring for CVE-2018-20681 is pending analysis. The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2018-20681?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-20681?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST