CVE-2020-25654
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.86% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 79.0% of scored records. A rank, not a probability.
- NVD base score
- 7.2 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-11-24 00:00Z5 YR AGO
- Last updated
- 2024-08-04 15:40Z2 YR AGO
- Reserved
- 2020-09-16
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 103de8619ca1a3b0beff4d32529fd080181439b2a5072959029edea8fb9a01af
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1888191
- seclists.orghttps://seclists.org/oss-sec/2020/q4/83
- lists.clusterlabs.orghttps://lists.clusterlabs.org/pipermail/users/2020-October/027840.html
- lists.debian.org[debian-lts-announce] 20210106 [SECURITY] [DLA 2519-1] pacemaker security updatehttps://lists.debian.org/debian-lts-announce/2021/01/msg00007.html
- security.gentoo.orgGLSA-202309-09https://security.gentoo.org/glsa/202309-09
07 Fixed in
AlmaLinux 8
- pacemaker Fixed in 2.0.4-6.el8_3.1
- pacemaker-cli Fixed in 2.0.4-6.el8_3.1
- pacemaker-cts Fixed in 2.0.4-6.el8_3.1
- pacemaker-doc Fixed in 2.0.4-6.el8_3.1
- pacemaker-libs-devel Fixed in 2.0.4-6.el8_3.1
- pacemaker-nagios-plugins-metadata Fixed in 2.0.4-6.el8_3.1
- pacemaker-remote Fixed in 2.0.4-6.el8_3.1
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- pacemaker Fixed in 2.0.4-6.el8_3.1
- pacemaker-cli Fixed in 2.0.4-6.el8_3.1
- pacemaker-cts Fixed in 2.0.4-6.el8_3.1
- pacemaker-doc Fixed in 2.0.4-6.el8_3.1
- pacemaker-libs-devel Fixed in 2.0.4-6.el8_3.1
- pacemaker-nagios-plugins-metadata Fixed in 2.0.4-6.el8_3.1
- pacemaker-remote Fixed in 2.0.4-6.el8_3.1
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- pacemaker Fixed in 2.0.5~rc2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- pacemaker Fixed in 2.0.5~rc2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- pacemaker Fixed in 2.0.5~rc2-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- pacemaker Fixed in 1.1.14-2ubuntu1.9
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- pacemaker Fixed in 1.1.18-0ubuntu1.3
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- pacemaker Fixed in 2.0.3-3ubuntu4.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.