{"id":"CVE-2020-1712","revision":"b8dbf267713a4518852a119a1a122cb8","records":[{"revision":"b8dbf267713a4518852a119a1a122cb8","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-1712","aliases":[],"title":"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 p…","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.","state":0,"publishedAt":"2020-03-31T16:44:29+00:00","modifiedAt":"2026-10-14T08:02:08.054+00:00","affected":[{"ecosystem":"Vendor product","name":"systemd","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"systemd\",\n                    \"vendor\": \"[UNKNOWN]\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"before v245-rc1\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 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,"severity":"HIGH"}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712","https://www.openwall.com/lists/oss-security/2020/02/05/1","https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2","https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54","https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb","https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d","https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-1712","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-1712","identifiers":["CVE-2020-1712"]},"retained":false,"historicalAffected":[]}],"coverage":[]}