High 7.8Published Mar 31, 2020

CVE-2020-1712A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages.

Updated under an hour ago (Oct 26, 2026, 11:50 PM ET)

Does this affect you?

It affects [UNKNOWN] systemd and 10 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for [UNKNOWN] systemd

Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Modified
Record last updated: Oct 14, 2026
First seen by InfoSec Signals: Oct 14, 2026

Affected products

Affected products

[UNKNOWN] systemd unknown:systemd (from the name)	before v245-rc1	CNA record
Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP siemens:simatic_s7_1500_cpu_1518f_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP siemens:siplus_s7_1500_cpu_1518_4_pn_dp_mfp (from the name)	from V3.1.0 before V3.1.5	CISA ADP
systemd_project systemd systemd_project:systemd	through 244	NVD
redhat ceph_storage redhat:ceph_storage	4.0	NVD
redhat discovery redhat:discovery	all versions	NVD
redhat migration_toolkit redhat:migration_toolkit	1.0	NVD
redhat openshift_container_platform redhat:openshift_container_platform	4.0	NVD
redhat enterprise_linux redhat:enterprise_linux	8.0	NVD
1–10 of 11

References

References

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712	x-refsource-confirm, issue-tracking, patch, third-party-advisory
https://www.openwall.com/lists/oss-security/2020/02/05/1	x-refsource-confirm, mailing-list, patch, third-party-advisory
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2	x-refsource-confirm, patch, third-party-advisory
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54	x-refsource-confirm, patch, third-party-advisory
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb	x-refsource-confirm, patch, third-party-advisory
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d	x-refsource-confirm, patch, third-party-advisory
https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html	mailing-list, x-refsource-mlist, third-party-advisory
https://cert-portal.siemens.com/productcert/html/ssa-398330.html

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.