CVE-2018-1088

HIGHNVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 5.5%CVSS: 8.1Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

A privilege escalation flaw was found in gluster 3.x snapshot scheduler. Any gluster client allowed to mount gluster volumes could also mount shared gluster storage volume and escalate privileges by scheduling malicious cronjob via symlink.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
57
EG Risk 57/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation40% × 40%
Automatability30% × 15%
CISA SSVC: Track at low or medium mission impact; Track* or Attend at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
5.5%
EPSS %ILE
92nd
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* or Attend at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: elevated) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

April 18, 2018

Last Modified

November 21, 2024

Advisory Details (7)

Auto-updated Sep 13, 2026
Patch available. Sources: redhat.
redhatMentions a patch (unverified)

Affected: Red Hat Enterprise Linux 7 for Red Hat Storage and Red Hat Gluster Storage 3.3 for Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2018:1136
generic

GlusterFS: Multiple Vulnerabilities (GLSA 201904-06) — Gentoo security

https://security.gentoo.org/glsa/201904-06
genericMentions a patch (unverified)

[SECURITY] [DLA 2806-1] glusterfs security update

https://lists.debian.org/debian-lts-announce/2021/11/msg00000.html
redhatMentions a patch (unverified)

1558721 – (CVE-2018-1088) CVE-2018-1088 glusterfs: Privilege escalation via gluster_shared_storage when snapshot scheduling is enabled

Affected: Red Hat Enterprise Linux 6, and 7 because only gluster client is shipped in these products.

https://bugzilla.redhat.com/show_bug.cgi?id=1558721
redhatMentions a patch (unverified)
https://access.redhat.com/errata/RHSA-2018:1524
redhatMentions a patch (unverified)

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2018:1275
redhatMentions a patch (unverified)

Affected: Red Hat Enterprise Linux 6 for Red Hat Storage and Red Hat Gluster Storage 3.3 for Red Hat Enterprise Linux 6.

https://access.redhat.com/errata/RHSA-2018:1137

Patch Availability(5)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntuglusterfs-common (3.7.6-1ubuntu1+esm1) @ xenial2026-05-28ubuntu
redhatredhat-virtualization-host-0:4.2-20180508.02018-05-15redhat
redhatredhat-virtualization-host-0:4.1-20180426.02018-05-02redhat
redhatglusterfs-0:3.8.4-54.7.el6rhs2018-04-18redhat
redhatglusterfs-0:3.8.4-54.6.el72018-04-18redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(5 across 5 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
glusterfs—
  • every version up to 4.0.2-1: fixed in 4.0.2-1
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
glusterfs—
  • every version up to 4.0.2-1: fixed in 4.0.2-1
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
glusterfs—
  • every version up to 4.0.2-1: fixed in 4.0.2-1
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
glusterfs—
  • every version up to 4.0.2-1: fixed in 4.0.2-1
—
Debian:9(1)
PackageVulnerable rangeFix by version rangeDependents
glusterfs3.8.8-1
  • every version up to 3.8.8-1+deb9u1: fixed in 3.8.8-1+deb9u1
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

All Vendor Advisories

(5)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 5× in last 7d / 25× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 160 total refreshes for this CVE.

  1. 2026-10-09 20:02 UTCEPSS rescore
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  10. 2026-09-29 06:31 UTCOSV refresh
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  1. 2026-09-09 11:23 UTCOSV refresh
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  27. 2026-08-06 22:34 UTCOSV refresh
  28. 2026-08-06 13:42 UTCEPSS rescore
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  40. 2026-07-23 01:32 UTCEG score recompute
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  42. 2026-07-22 14:05 UTCEPSS rescore
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  44. 2026-07-21 14:17 UTCOSV refresh
  45. 2026-07-20 17:04 UTCEPSS rescore
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  68. 2026-07-04 06:28 UTCEPSS rescore
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Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCMauroEldritch/GEVAUDAN
    First seen Jun 11, 2018

    Exploit for Red Hat / GlusterFS CVE-2018-1088 & CVE-2018-1112, featured @ DEFCON 26, Las Vegas!

    Open source ↗

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2018-1088?
CVE-2018-1088 is a high vulnerability published on April 18, 2018. A privilege escalation flaw was found in gluster 3.x snapshot scheduler. Any gluster client allowed to mount gluster volumes could also mount shared gluster storage volume and escalate privileges by scheduling malicious cronjob via symlink.
When was CVE-2018-1088 disclosed?
CVE-2018-1088 was first published on April 18, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-1088 actively exploited?
CVE-2018-1088 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 5.5% probability of exploitation in the next 30 days (92nd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2018-1088?
CVE-2018-1088 has a CVSS v3 base score of 8.1 (NVD).
How do I remediate CVE-2018-1088?
A fix for CVE-2018-1088 is available: update to the fixed version the vendor names in its advisory.

Dependency Blast Radius

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