{"cve":"CVE-2018-16888","nvd":{"published":"2019-01-14T22:29:00.233","modified":"2026-06-17T01:45:00.113","status":"Modified","description":"It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","score":4.7},"cwes":["CWE-269","CWE-250"],"references":["https://access.redhat.com/errata/RHSA-2019:2091","https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888","https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74%40%3Cuser.cassandra.apache.org%3E","https://security.netapp.com/advisory/ntap-20190307-0007/","https://usn.ubuntu.com/4269-1/"],"products":["canonical:ubuntu_linux","netapp:active_iq_performance_analytics_services","netapp:element_software","redhat:enterprise_linux","systemd_project:systemd"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-16888","score":0.00295,"percentile":0.22243,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}