Home/CVE/An ACL bypass flaw was found in pacemaker. An attacker having a local account on the cluster and in the haclient group c
CVE

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 c

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.

HIGH · CVSS 7.2 EPSS 0.00086
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-284Improper Access Control
▤

Affected Products & Versions

4
clusterlabs pacemaker< 1.1.23
clusterlabs pacemaker>= 2.0.0 and < 2.0.3
clusterlabs pacemakerall versions
debian linuxall versions
▣

Scoring & Timeline

7.2
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD24 Nov 2020 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

13
suse-csafopenSUSE-SU-2024:11138-1
usnUSN-4623-1
suse-csafopenSUSE-SU-2020:1825-1
suse-csafopenSUSE-SU-2020:1782-1
suse-csafSUSE-SU-2020:3080-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugzilla.redhat.com/show_bug.cgi?id=1888191Issue TrackingThird Party Advisory
https://lists.clusterlabs.org/pipermail/users/2020-October/027840.htmlMailing ListVendor Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlMailing ListThird Party Advisory
https://seclists.org/oss-sec/2020/q4/83Mailing ListThird Party Advisory
https://security.gentoo.org/glsa/202309-09
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