CVE-2020-1712
Detail
Modified After Enrichment This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
References to Advisories, Solutions, and Tools
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URL
Source(s)
Tag(s)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712
CVE, Inc., Red Hat
Issue Tracking
Patch
Third Party Advisory
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54
CVE, Inc., Red Hat
Patch
Third Party Advisory
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb
CVE, Inc., Red Hat
Patch
Third Party Advisory
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d
CVE, Inc., Red Hat
Patch
Third Party Advisory
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2
CVE, Inc., Red Hat
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html
CVE, Inc., Red Hat
Mailing List
Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/05/1
CVE, Inc., Red Hat
Mailing List
Patch
Third Party Advisory
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-416
Use After Free
NIST
Red Hat, Inc.
Change History
9 change records found show changes
CVE Modified by CISA-ADP
6/16/2026 11:02:15 PM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2025-06-09T15:52:42.249101Z","id":"CVE-2020-1712","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by Red Hat, Inc.
6/16/2026 11:02:15 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"[UNKNOWN]","product":"systemd","versions":[{"version":"before v245-rc1","status":"affected"}]}]
CVE Modified by CVE
11/21/2024 12:11:13 AM
Action
Type
Old Value
New Value
Added
Reference
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712
Added
Reference
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54
Added
Reference
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb
Added
Reference
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d
Added
Reference
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2
Added
Reference
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html
Added
Reference
https://www.openwall.com/lists/oss-security/2020/02/05/1
CVE Modified by Red Hat, Inc.
5/14/2024 2:41:33 AM
Action
Type
Old Value
New Value
CVE Modified by Red Hat, Inc.
11/06/2023 10:19:28 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Removed
CVSS V3
Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Modified Analysis by NIST
11/29/2022 11:25:04 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html Mailing List, Third Party Advisory
CVE Modified by Red Hat, Inc.
6/30/2022 1:15:07 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html [No Types Assigned]
Reanalysis by NIST
1/28/2022 4:24:40 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions up to (including) 244
OR
*cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* versions up to (including) 244
Initial Analysis by NIST
4/10/2020 11:42:07 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Added
CWE
NIST CWE-416
Added
CPE Configuration
OR
*cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:* versions up to (including) 244
Added
CPE Configuration
OR
*cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:discovery:-:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:*
*cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Changed
Reference Type
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 No Types Assigned
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 Issue Tracking, Patch, Third Party Advisory
Changed
Reference Type
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 No Types Assigned
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 Patch, Third Party Advisory
Changed
Reference Type
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb No Types Assigned
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb Patch, Third Party Advisory
Changed
Reference Type
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d No Types Assigned
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d Patch, Third Party Advisory
Changed
Reference Type
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 No Types Assigned
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 Patch, Third Party Advisory
Changed
Reference Type
https://www.openwall.com/lists/oss-security/2020/02/05/1 No Types Assigned
https://www.openwall.com/lists/oss-security/2020/02/05/1 Mailing List, Patch, Third Party Advisory
Quick Info
CVE Dictionary Entry: CVE-2020-1712 NVD
Published Date: 03/31/2020 NVD
Last Modified: 06/16/2026
Source: Red Hat, Inc.
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