How severe is CVE-2016-7797?

CVE-2016-7797 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-7797 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-7797?

CVE-2016-7797 primarily affects Redhat Enterprise Linux High Availability. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-7797?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-7797 published?

CVE-2016-7797 was published on 2017-03-24 and last updated on 2026-06-17.

CVE-2016-7797

CVE-2016-7797 is a high-severity vulnerability in Redhat Enterprise Linux High Availability with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-254.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Redhat Enterprise Linux High Availability
Published: 2017-03-24
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2016-7797?: 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.
How severe is CVE-2016-7797?: CVE-2016-7797 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-7797 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-7797?: CVE-2016-7797 primarily affects Redhat Enterprise Linux High Availability. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-7797?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-7797 published?: CVE-2016-7797 was published on 2017-03-24 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:clusterlabs:pacemaker:*:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse_project:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_high_availability:12:sp2:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_software_development_kit:12:sp2:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_high_availability:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_resilient_storage:7.0:*:*:*:*:*:*:*

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