CVE-2020-1712
HIGH7.8EPSS 0.10%systemd - security update
Published: 3/31/2020Modified: 4/28/2026
Also known as:DEBIAN-CVE-2020-1712
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.
Affected packages (2)
- Debian/systemdfrom 0, < 244.2-1
- Debian/systemdfrom 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 |