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CVE-2018-10923

27
FAUCET Score

CVE-2018-10923 is a vulnerability affecting GlusterFS, Debian, openSUSE, and Red Hat, where an authenticated attacker can leverage the "mknod" call to create arbitrary device files on a GlusterFS server. This allows the attacker to read data from any device attached to the server. With a CVSS score of 8.1 (High), the vulnerability is remotely exploitable with low attack complexity, requiring only authenticated access to achieve high confidentiality and integrity impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 3.12.0, < 3.12.14CPE matchmatch criteria
cpe:2.3:a:gluster:glusterfs:*:*:*:*:*:*:*:*
>= 4.1.0, < 4.1.8CPE matchmatch criteria
cpe:2.3:a:gluster:glusterfs:*:*:*:*:*:*:*:*
4.0CPE matchmatch criteria
cpe:2.3:a:redhat:virtualization_host:4.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
4.7
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.67%
Probability of exploitation in next 30 days
EPSS Percentile
74.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0167 is in the 72nd percentile among its peer group of 17,844 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (13)

redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-virtualization-host-0:4.2-20181026.0.el7_6
View patch
redhatpatch availablevia redhat_api
Product: Native Client for RHEL 6 for Red Hat StorageFixed in: glusterfs-0:3.12.2-18.el6
View patch
redhatpatch availablevia redhat_api
Product: Native Client for RHEL 7 for Red Hat StorageFixed in: glusterfs-0:3.12.2-18.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.4 for RHEL 6Fixed in: glusterfs-0:3.12.2-18.el6rhs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.4 for RHEL 6Fixed in: redhat-release-server-0:6Server-6.10.0.24.el6rhs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.4 for RHEL 6Fixed in: redhat-storage-server-0:3.4.0.0-1.el6rhs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.4 for RHEL 7Fixed in: glusterfs-0:3.12.2-18.el7rhgs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.4 for RHEL 7Fixed in: redhat-release-server-0:7.5-11.el7rhgs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Gluster Storage 3.4 for RHEL 7Fixed in: redhat-storage-server-0:3.4.0.0-1.el7rhgs
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: glusterfs-0:3.12.2-18.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: imgbased-0:1.0.29-1.el7ev
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 7Fixed in: redhat-release-virtualization-host-0:4.2-7.3.el7
View patch
redhatworkaround availablevia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2018-10923Important

glusterfs: I/O to arbitrary devices on storage server

Sep 4, 2018

References

lists.opensuse.org / opensuse-security-announce/2020-01/msg00035.html
Mailing ListThird Party Advisory
access.redhat.com / errata/RHSA-2018:2607
Third Party Advisory
access.redhat.com / errata/RHSA-2018:2608
Third Party Advisory
access.redhat.com / errata/RHSA-2018:3470
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingMitigation
lists.debian.org / debian-lts-announce/2018/09/msg00021.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2021/11/msg00000.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/201904-06
Third Party Advisory