CVE-2019-20386

2.4 LOW 0.4% exploit odds Fix listed

What it is

An issue was discovered in button_open in login/logind-button.c in systemd before 243. When executing the udevadm trigger command, a memory leak may occur.

At a glance

Exploitability: Can be exploited with physical access without logging in. Limited direct impact.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2020-01-21 06:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:30 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 2.4 LOW (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-01-21 06:15 UTC
Last modified: 2026-06-17 02:30 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-401
Record status: Modified

Affected

Systemd Project Systemd < 243
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 19.10
Fedoraproject Fedora 30
Opensuse Leap 15.1
Netapp Active Iq Unified Manager
Netapp Cloud Backup

Attack profile CVSS 3.1 · 2.4

Attack vector: Physical
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: None
Integrity: None
Availability: Low

Raw vector

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-20386.md and follow it. Check whether this project is affected by CVE-2019-20386. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record