CVE-2020-1712 is a heap use-after-free vulnerability in systemd versions prior to v245-rc1, affecting distributions like Debian and Red Hat. A local, unprivileged attacker can exploit this flaw by sending crafted D-Bus messages to crash systemd services or potentially achieve arbitrary code execution and privilege escalation. Rated with a CVSS score of 7.8 (High), this vulnerability has a low attack complexity and no user interaction required, posing a significant risk for confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 244CPE matchmatch criteria | cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:redhat:discovery:-:*:*:*:*:*:*:* | ||
1.0CPE matchmatch criteria | cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:* | ||
4.0CPE matchmatch criteria | cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
CVE-2020-1712
Aug 11, 2020A 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.
Mar 10, 2020systemd: use-after-free when asynchronous polkit queries are performed
Feb 5, 2020