CVE-2020-25654
Publication date 27 October 2020
Last updated 25 August 2025
Ubuntu priority
Description
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| pacemaker | ||
| 20.04 LTS focal |
Fixed 2.0.3-3ubuntu4.1
|
|
| 18.04 LTS bionic |
Fixed 1.1.18-0ubuntu1.3
|
|
| 16.04 LTS xenial |
Fixed 1.1.14-2ubuntu1.9
|
|
| 14.04 LTS trusty | Not in release |
Severity score breakdown
CVSS version: CVSS v3.0
Base score
7.2 · High
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
References
Related Ubuntu Security Notices (USN)
- USN-4623-1
- Pacemaker vulnerability
- 9 November 2020