Vulnerability Details : 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.
Vulnerability category: Information leak
Products affected by CVE-2018-20681
- cpe:2.3:a:mate-desktop:mate-screensaver:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-20681
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 41 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-20681
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
3.6
|
LOW | AV:L/AC:L/Au:N/C:P/I:P/A:N |
3.9
|
4.9
|
NIST | |
6.1
|
MEDIUM | CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
0.9
|
5.2
|
NIST |
CWE ids for CVE-2018-20681
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20681
-
https://github.com/mate-desktop/mate-screensaver/issues/170
Lock Screen not working after monitor plugged / unplugged (need to restart mate-screensaver) · Issue #170 · mate-desktop/mate-screensaver · GitHubThird Party Advisory
-
https://github.com/mate-desktop/mate-screensaver/pull/167
Fix-up 5d4416a to solve lock by-passing by XRevan86 · Pull Request #167 · mate-desktop/mate-screensaver · GitHubPatch;Third Party Advisory
-
https://github.com/mate-desktop/mate-screensaver/issues/155
mate-screensaver screen lock can be bypassed by power cycling monitor [$110] · Issue #155 · mate-desktop/mate-screensaver · GitHubExploit;Third Party Advisory
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https://github.com/mate-desktop/mate-screensaver/issues/152
mate-screensaver does not maintain user lockout / screen lock under certain conditions · Issue #152 · mate-desktop/mate-screensaver · GitHubExploit;Patch;Third Party Advisory
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