CVE-2020-1712

HIGH

Published 2020-03-31T16:44:29.000Z

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CVSS Score

V3.1

7.8

/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Base Score Metrics

Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14

0.001

probability

of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25

Exploit Probability

Percentile: 0.274

Higher than 27.4% of all CVEs

Attack Vector Metrics

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Impact Metrics

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

[UNKNOWN]

systemd

Affected Versions:

before v245-rc1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-wggx-8wf7-vg3g

Advisory Details

CVSS Scoring

CVSS Score

5.0

CVSS Vector


                                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-1712

WEB https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54

WEB https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb

WEB https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d

WEB https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2

WEB https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712

WEB https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html

WEB https://www.openwall.com/lists/oss-security/2020/02/05/1

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: July 1, 2022

Social Media Intelligence

Real-time discussions and threat intelligence from social platforms

1 post

Reddit • 2 months, 1 week ago

puscii

Exploit

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