CVE-2020-1712
- State
- Published
- Severity
- 7.8 High
- Published
- Mar 31, 2020
- Updated
- Oct 14, 2026
- Reserved
- Nov 27, 2019
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
systemd[UNKNOWN] |
|
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
- [debian-lts-announce] 20220630 [SECURITY] [DLA 3063-1] systemd security updatemailing-list
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.