---
cve: "CVE-2020-25654"
severity: "HIGH"
cvss: 7.2
epss: "21%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2020-11-24 20:15:11"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T13:02:13+02:00"
---

# CVE-2020-25654

> 7.2 HIGH

## Beschreibung

An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group could use IPC communication with various daemons directly to perform certain tasks that they would be prevented by ACLs from doing if they went through the configuration.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 28dd98fada1e39a9219df0c115d978a0f20352a8 (Commit)
- 4b1f869f0f64ef0d248b6aa4781d38ecccf83318 (Commit)

## Referenzen

- <https://bugzilla.redhat.com/show_bug.cgi?id=1888191>
- <https://lists.clusterlabs.org/pipermail/users/2020-October/027840.html>
- <https://lists.debian.org/debian-lts-announce/2021/01/msg00007.html>
- <https://seclists.org/oss-sec/2020/q4/83>
- <https://security.gentoo.org/glsa/202309-09>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2020-25654) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_