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Elastic Cloud Enterprise CVE-2018-3829

MEDIUM
Improper Authorization (CWE-285)
2018-09-19 security@elastic.co
5.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization verification
MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, high complexity, low privileges required, no user interaction not required.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the medium-severity affected system.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.8% exploitation probability (EPSS)

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AnalysisAI

In Elastic Cloud Enterprise (ECE) versions prior to 1.1.4 it was discovered that a user could scale out allocators on new hosts with an invalid roles token. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified under CWE-285. In Elastic Cloud Enterprise (ECE) versions prior to 1.1.4 it was discovered that a user could scale out allocators on new hosts with an invalid roles token. An attacker with access to the previous runner ID and IP address of the coordinator-host could add a allocator to an existing ECE install to gain access to other clusters data. Affected products include: Elastic Elastic Cloud Enterprise. Version information: prior to 1.1.4.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.3 MEDIUM
AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

DescriptionNVD

In Elastic Cloud Enterprise (ECE) versions prior to 1.1.4 it was discovered that a user could scale out allocators on new hosts with an invalid roles token. An attacker with access to the previous runner ID and IP address of the coordinator-host could add a allocator to an existing ECE install to gain access to other clusters data.

Threat Intelligence Overview

EPSS Score
0.8%
Top 49% exploitable
Data Quality
2 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.8%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

Affected Products (CPE)NVD

cpe:2.3:a:elastic:elastic_cloud_enterprise:*:*:*:*:*:*:*:*
CVE-2024-37282 CRITICAL
9.8 Jun 28

It was identified that under certain specific preconditions, an API key that was originally created with a specific priv

CVE-2025-37736 HIGH
8.8 Nov 07

Improper Authorization in Elastic Cloud Enterprise can lead to Privilege Escalation where the built-in readonly user can

CVE-2026-115709 HIGH
8.2 Oct 29

Elastic Cloud Enterprise (ECE) instances that host multiple deployments on a single multi-tenant host are exposed to cro

CVE-2026-115713 HIGH
7.5 Oct 29

Elastic Cloud Enterprise (ECE) hosts that have not applied the 4.2.1 security update are exposed to a symlink-following

CVE-2023-31418 HIGH
7.5 Oct 26

An issue has been identified with how Elasticsearch handled incoming requests on the HTTP layer. Rated high severity (CV

CVE-2018-3828 HIGH
7.5 Sep 19

Elastic Cloud Enterprise (ECE) versions prior to 1.1.4 contain an information exposure vulnerability. Rated high severit

CVE-2025-37729 HIGH
7.2 Oct 13

Server-side template injection (SSTI) in Elastic Cloud Enterprise (ECE) allows an authenticated Administrator to execute

CVE-2026-115708 HIGH
7.2 Oct 29

Elastic Cloud Enterprise (ECE) 3.x before 3.8.6 and 4.x before 4.2.1 can allow a local, highly privileged attacker to ex

CVE-2026-115706 MEDIUM
6.8 Oct 29

Elastic Cloud Enterprise (ECE) installations on versions prior to the fixed 3.8.6 and 4.2.1 releases allow an attacker w

CVE-2022-23715 MEDIUM
6.5 Aug 25

A flaw was discovered in ECE before 3.4.0 that might lead to the disclosure of sensitive information such as user passwo

CVE-2026-115711 MEDIUM
6.4 Oct 29

Elastic Cloud Enterprise stores runtime information about its platform service containers - including secrets drawn from

CVE-2026-115707 MEDIUM
6.4 Oct 29

Privilege escalation in Elastic Cloud Enterprise lets an attacker who already controls a host in an ECE installation lev

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