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CVE-2016-5009

22
FAUCET Score

CVE-2016-5009 describes a denial-of-service vulnerability in the handle_command function of Ceph, affecting various Red Hat Ceph and Enterprise Linux products. An authenticated remote attacker can trigger a segmentation fault and crash the Ceph monitor by providing an empty or malformed command prefix. With a CVSS v3 score of 6.5 (Medium), this vulnerability has a network attack vector and low attack complexity, leading to high availability impact. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.3CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage_mon:1.3:*:*:*:*:*:*:*
1.3CPE matchmatch criteria
cpe:2.3:a:redhat:ceph_storage_osd:1.3:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

6.5MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.48%
Probability of exploitation in next 30 days
EPSS Percentile
82.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0248 is in the 94th percentile among its peer group of 21,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 1.3 for Red Hat Enterprise Linux 7Fixed in: ceph-1:0.94.5-14.el7cp
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Ceph Storage 1.3 for UbuntuFixed in: ceph
View patch

Vendor Advisories (1)

redhatCVE-2016-5009Moderate

crash: mon_command crashes ceph monitors on receiving empty prefix

Jun 14, 2016

References

lists.opensuse.org / opensuse-updates/2016-12/msg00126.html
access.redhat.com / errata/RHSA-2016:1384
access.redhat.com / errata/RHSA-2016:1385
github.com / ceph/ceph/commit/957ece7e95d8f8746191fd9629622d4457d690d6
github.com / ceph/ceph/pull/9700
tracker.ceph.com / issues/16297
Vendor Advisory