Vulnerability Details : CVE-2020-1712

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.
Vulnerability category: Memory CorruptionExecute code
Published 2020-03-31 17:15:27
Updated 2022-11-29 16:25:04
Source Red Hat, Inc.
View at NVD,   CVE.org

Threat overview for CVE-2020-1712

Top countries where our scanners detected CVE-2020-1712
Top open port discovered on systems with this issue 53
IPs affected by CVE-2020-1712 55,481
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2020-1712!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2020-1712

Probability of exploitation activity in the next 30 days: 0.05%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 20 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2020-1712

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Source
4.6
 MEDIUM AV:L/AC:L/Au:N/C:P/I:P/A:P
3.9
6.4
 nvd@nist.gov
7.8
 HIGH CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 secalert@redhat.com
7.8
 HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
 nvd@nist.gov

CWE ids for CVE-2020-1712

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secalert@redhat.com (Secondary)

References for CVE-2020-1712

Products affected by CVE-2020-1712

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