Pacemaker before 1.1.13 does not properly evaluate added nodes, which allows remote read-only users to gain privileges via an acl command.
Conclusion & alert: CVE-2015-1867 is rated Moderate Risk (54.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.71%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-06-10 | 0.82% | 0.71% | -0.10% |
| 2 | 2025-03-30 | 2.10% | 0.82% | -1.28% |
| 3 | 2025-03-29 | — | 2.10% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2015-1867 unimportant priority: Debian including 1 source packages (pacemaker), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2015-1867 |
gentoo
|
normal | CVE-2015-1867: 1 GLSA(s) (201710-08), 1 atom(s) (sys-cluster/pacemaker); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-1867 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2015-1867 |
ubuntu
|
medium | CVE-2015-1867 medium priority: Ubuntu including 1 source packages (pacemaker), 5 status rows across 5 suites (lucid, precise, trusty, upstream, utopic): not-affected 3, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2015-1867 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| redhat | enterprise_linux_high_availability | 6.0 | cpe:2.3:o:redhat:enterprise_linux_high_availability:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_high_availability | 7.0 | cpe:2.3:o:redhat:enterprise_linux_high_availability:7.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_resilient_storage | 6.0 | cpe:2.3:o:redhat:enterprise_linux_resilient_storage:6.0:*:*:*:*:*:*:* |
| redhat | enterprise_linux_resilient_storage | 7.0 | cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:* |
| clusterlabs | pacemaker | <= 1.1.12 | cpe:2.3:a:clusterlabs:pacemaker:*:*:*:*:*:*:*:* |