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 ()
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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.
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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
[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 |
debian debian_linux debian:debian_linux | 9.0 | NVD |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712x-refsource-confirm, issue-tracking, patch, third-party-advisory
- https://www.openwall.com/lists/oss-security/2020/02/05/1x-refsource-confirm, mailing-list, patch, third-party-advisory
- https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2x-refsource-confirm, patch, third-party-advisory
- https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54x-refsource-confirm, patch, third-party-advisory
- https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abbx-refsource-confirm, patch, third-party-advisory
- https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2dx-refsource-confirm, patch, third-party-advisory
- https://lists.debian.org/debian-lts-announce/2022/06/msg00025.htmlmailing-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.