{"cve":"CVE-2018-15686","nvd":{"published":"2018-10-26T14:29:00.613","modified":"2026-06-17T01:42:56.003","status":"Modified","description":"A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-502"],"references":["http://www.securityfocus.com/bid/105747","https://access.redhat.com/errata/RHSA-2019:2091","https://access.redhat.com/errata/RHSA-2019:3222","https://access.redhat.com/errata/RHSA-2020:0593","https://github.com/systemd/systemd/pull/10519"],"products":["canonical:ubuntu_linux","debian:debian_linux","oracle:communications_cloud_native_core_network_function_cloud_native_environment","systemd_project:systemd"],"source":"nvd","synced_at":"2026-10-19T20:53:59.789560037+00:00"},"epss":{"cve":"CVE-2018-15686","score":0.02261,"percentile":0.82981,"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."]}