Pacemaker before 1.1.15, when using pacemaker remote, might allow remote attackers to…
Priority LOW 39CWE-254Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat.
Summary
Pacemaker before 1.1.15, when using pacemaker remote, might allow remote attackers to cause a denial of service (node disconnection) via an unauthenticated connection.
Why it matters now
EPSS 0.0325 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 7
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:clusterlabs:pacemaker:*:*:*:*:*:*:*:* | up to 1.1.14 | Vulnerable | ClusterLabs |
| cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* | 42.2 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:* | 42.1 | Vulnerable | Opensuse Project |
| cpe:2.3:o:suse:linux_enterprise_high_availability:12:sp2:*:*:*:*:*:* | 12 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp2:*:*:*:*:*:* | 12 sp2 | Vulnerable | SUSE |
| cpe:2.3:o:redhat:enterprise_linux_high_availability:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:clusterlabs:pacemaker:*:*:*:*:*:*:*:* Versions up to 1.1.14 Vulnerable ·ClusterLabs
- cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:* Versions 42.2 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:* Versions 42.1 Vulnerable ·Opensuse Project
- cpe:2.3:o:suse:linux_enterprise_high_availability:12:sp2:*:*:*:*:*:* Versions 12 sp2 Vulnerable ·SUSE
- cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp2:*:*:*:*:*:* Versions 12 sp2 Vulnerable ·SUSE
- cpe:2.3:o:redhat:enterprise_linux_high_availability:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Remediation
Red Hat 1 advisory
- RHSA-2016:2578 Released 2016-11-03 · Red Hat rating Moderatepacemaker security, bug fix, and enhancement update
- Red Hat Enterprise Linux Server High Availability (v. 7) pacemaker-1.1.15-11.el7, pacemaker-cli-1.1.15-11.el7, pacemaker-cluster-libs-1.1.15-11.el7 +6
- Red Hat Enterprise Linux Server Resilient Storage (v. 7) pacemaker-1.1.15-11.el7, pacemaker-cli-1.1.15-11.el7, pacemaker-cluster-libs-1.1.15-11.el7 +6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Server High Availability (v. 7) | Fixed | RHSA-2016:2578 |
| Red Hat Enterprise Linux Server Resilient Storage (v. 7) | Fixed | RHSA-2016:2578 |
Not affected: 1 product
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2016-7797
- 2026-10-03 Alias added: GHSA-gp6f-9wm3-5hr4
References
Patch 2
Sources
- CVE-2016-7797 · CVE Program
- CVE-2016-7797 · NVD
- FIRST EPSS
- GHSA-gp6f-9wm3-5hr4 · GitHub Advisory Database · CC BY 4.0
- CVE-2016-7797 · Red Hat security data · CC BY 4.0
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