Vulnerability · Published Nov 24, 2020 · Assigned by redhat
CVE-2020-25654
High 7.2
In plain English
A high-severity improper access control in pacemaker. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.9% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.2High
Exploit odds (30 days)1.9%top 20.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux:8 | pacemaker | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| AlmaLinux:8 | pacemaker-cli | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| AlmaLinux:8 | pacemaker-cts | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| AlmaLinux:8 | pacemaker-doc | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| AlmaLinux:8 | pacemaker-libs-devel | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| AlmaLinux:8 | pacemaker-nagios-plugins-metadata | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| AlmaLinux:8 | pacemaker-remote | 2.0.4-6.el8_3.1 | ALSA-2020:5487 |
| Debian:12 | pacemaker | 2.0.5~rc2-1 | DEBIAN-CVE-2020-25654 |
| Debian:13 | pacemaker | 2.0.5~rc2-1 | DEBIAN-CVE-2020-25654 |
| Debian:14 | pacemaker | 2.0.5~rc2-1 | DEBIAN-CVE-2020-25654 |
Affected products (as reported)
Weakness: CWE-284