VulnerabilityModified
CVE-2020-25654
An ACL bypass flaw was found in pacemaker.
HIGH 7.2EPSS 2.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.03% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- clusterlabs/pacemaker · debian/debian linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1888191Issue Tracking, Third Party Advisory
- https://lists.clusterlabs.org/pipermail/users/2020-October/027840.htmlMailing List, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlMailing List, Third Party Advisory
- https://seclists.org/oss-sec/2020/q4/83Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-09
- https://bugzilla.redhat.com/show_bug.cgi?id=1888191Issue Tracking, Third Party Advisory
- https://lists.clusterlabs.org/pipermail/users/2020-October/027840.htmlMailing List, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/01/msg00007.htmlMailing List, Third Party Advisory
- https://seclists.org/oss-sec/2020/q4/83Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202309-09
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.