CVE-2020-1712
systemd - security update
7.8
HIGH
CVSS 3.1
EPSS 0.10%
Description
A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.
How to fix CVE-2020-1712
To remediate CVE-2020-1712, upgrade the affected package to a fixed version below.
- —upgrade to 244.2-1 or later
- —upgrade to 232-25+deb9u14 or later
Is CVE-2020-1712 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 244.2-1
- from 0, < 232-25+deb9u14
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |