---
cve: "CVE-2018-15686"
severity: "HIGH"
cvss: 7.0
epss: "2.3%"
vendor: "systemd"
kev: false
exploited: false
published: "2018-10-26 14:00:00"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T21:43:36+02:00"
---

# CVE-2018-15686

> 7.0 HIGH · 🧪 PoC

## Beschreibung

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-Vektor

```
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Hoch | good |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Exploit-Evidenz

- [EDB-45714 — systemd - 'reexec' State Injection](https://www.exploit-db.com/exploits/45714) ✅

## Referenzen

- <https://security.gentoo.org/glsa/201810-10>
- <https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html>
- <http://www.securityfocus.com/bid/105747>
- <https://www.exploit-db.com/exploits/45714/>
- <https://usn.ubuntu.com/3816-1/>
- <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://lists.apache.org/thread.html/r1b103833cb5bc8466e24ff0ecc5e75b45a705334ab6a444e64e840a0%40%3Cissues.bookkeeper.apache.org%3E>
- <https://www.oracle.com//security-alerts/cpujul2021.html>
- <https://github.com/systemd/systemd/pull/10519>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-15686) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_