How severe is CVE-2016-5009?

CVE-2016-5009 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-5009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-5009?

CVE-2016-5009 primarily affects Redhat Ceph Storage Mon. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-5009?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-5009 published?

CVE-2016-5009 was published on 2016-07-12 and last updated on 2026-06-17.

CVE-2016-5009

CVE-2016-5009 is a medium-severity vulnerability in Redhat Ceph Storage Mon with a CVSS 3.x base score of 6.5. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Redhat Ceph Storage Mon
Published: 2016-07-12
Last modified: 2026-06-17

Description

The handle_command function in mon/Monitor.cc in Ceph allows remote authenticated users to cause a denial of service (segmentation fault and ceph monitor crash) via an (1) empty or (2) crafted prefix.

Frequently asked questions

What is CVE-2016-5009?: The handle_command function in mon/Monitor.cc in Ceph allows remote authenticated users to cause a denial of service (segmentation fault and ceph monitor crash) via an (1) empty or (2) crafted prefix.
How severe is CVE-2016-5009?: CVE-2016-5009 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-5009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-5009?: CVE-2016-5009 primarily affects Redhat Ceph Storage Mon. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-5009?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-5009 published?: CVE-2016-5009 was published on 2016-07-12 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:redhat:ceph_storage_mon:1.3:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ceph_storage_osd:1.3:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:ceph:*:*:*:*:*:*:*:*

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