CVSS v3
7
HIGH
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A race condition in chown_one() of systemd allows an attacker to cause systemd to set arbitrary permissions on arbitrary files. Affected releases are systemd versions up to and including 239.
Technical details
- Published
- 2018-10-26
- Exploit-DB
- EDB-45715
Frequently asked questions
What is CVE-2018-15687?
A race condition in chown_one() of systemd allows an attacker to cause systemd to set arbitrary permissions on arbitrary files. Affected releases are systemd versions up to and including 239.
Is CVE-2018-15687 actively exploited?
Active exploitation of CVE-2018-15687 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-15687?
CVE-2018-15687 has a CVSS v3 base score of 7 (HIGH severity).
Is CVE-2018-15687 affecting your environment?
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