{"cve":"CVE-2020-1712","nvd":{"published":"2020-03-31T17:15:26.577","modified":"2026-10-14T09:17:18.400","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712","https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54","https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb","https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d","https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2"],"products":["debian:debian_linux","redhat:ceph_storage","redhat:discovery","redhat:enterprise_linux","redhat:migration_toolkit","redhat:openshift_container_platform","systemd_project:systemd"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2020-1712","score":0.00456,"percentile":0.39299,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}