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Elasticsearch CVE-2015-5531

MEDIUM
Path Traversal (CWE-22)
2015-08-17 cve@mitre.org
5.0
CVSS 2.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V5 - File Handling Path canonicalization, traversal prevention
MITRE ATT&CK

2 techniques across 2 tactics: Discovery, Collection

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

Impact

CVSS score of 5.0 (MEDIUM). Attack characteristics: network attack vector, low complexity. Public proof-of-concept exploit code is available. EPSS exploitation probability: 92.03%.

Exploit ScenarioDerived

A remote attacker could access files and directories outside the intended path by sending crafted requests to the affected application.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 92.0% exploitation probability (EPSS)

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AnalysisAI

Directory traversal vulnerability in Elasticsearch before 1.6.1 allows remote attackers to read arbitrary files via unspecified vectors related to snapshot API calls. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and EPSS exploitation probability 92.0%.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate and canonicalize file paths. Use chroot or sandboxing. Reject input containing path separators or '../' sequences.

Affected Packages

maven org.elasticsearch:elasticsearch fix: 1.6.1

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in maven

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 as Path Traversal (CWE-22), which allows attackers to access files and directories outside the intended path. Directory traversal vulnerability in Elasticsearch before 1.6.1 allows remote attackers to read arbitrary files via unspecified vectors related to snapshot API calls. Affected products include: Elasticsearch. Version information: before 1.6.1.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Confidentiality
P
Integrity
None
Availability
None

DescriptionCVE.org

Directory traversal vulnerability in Elasticsearch before 1.6.1 allows remote attackers to read arbitrary files via unspecified vectors related to snapshot API calls.

Threat Intelligence Overview

Threat Score
5.3/10
Composite threat intelligence
EPSS Score
92.0%
Top 0% exploitable
Exploit
POC
Public exploit code exists
Data Quality
4 sources
Confidence: Medium

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 Yes
EPSS 92.0%
Patch available Yes
Active threat Yes
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
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

137
Low Medium High Critical
KEV: 0
EPSS: +92
CVSS: +25
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Path traversal exploits occur when applications use user-controlled input to construct file system paths without proper validation.

Affected Products (CPE)CVE.org

cpe:2.3:a:elasticsearch:elasticsearch:*:*:*:*:*:*:*:*
CVE-2015-1427 CRITICAL POC
9.8 Feb 17

The Groovy scripting engine in Elasticsearch before 1.3.8 and 1.4.x before 1.4.3 allows remote attackers to bypass the s

CVE-2014-3120 HIGH POC
8.1 Jul 28

The default configuration in Elasticsearch before 1.2 enables dynamic scripting, which allows remote attackers to execut

CVE-2015-3337 MEDIUM POC
4.3 May 01

Directory traversal vulnerability in Elasticsearch before 1.4.5 and 1.5.x before 1.5.2, when a site plugin is enabled, a

CVE-2023-31419 HIGH
7.5 Oct 26

A flaw was discovered in Elasticsearch, affecting the _search API that allowed a specially crafted query string to cause

CVE-2026-82409 HIGH POC
8.4 Sep 23

Maliciously crafted on-chain account names processed by Klever-Go prior to 1.7.20 are spliced into Elasticsearch _bulk r

CVE-2021-22146 HIGH POC
7.5 Jul 21

All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters.

CVE-2021-22145 MEDIUM POC
6.5 Jul 21

A memory disclosure vulnerability was identified in Elasticsearch 7.10.0 to 7.13.3 error reporting. Rated medium severit

CVE-2026-72649 HIGH
8.8 Sep 01

Remote code execution in Elasticsearch's machine learning component allows an authenticated user with ML model deploymen

CVE-2026-72642 HIGH
8.8 Aug 13

Heap corruption and potential remote code execution in Elasticsearch's native ML inference engine can be triggered by an

CVE-2020-7014 HIGH
8.8 Jun 03

The fix for CVE-2020-7009 was found to be incomplete. Rated high severity (CVSS 8.8), this vulnerability is remotely exp

CVE-2020-7009 HIGH
8.8 Mar 31

Elasticsearch versions from 6.7.0 before 6.8.8 and 7.0.0 before 7.6.2 contain a privilege escalation flaw if an attacker

CVE-2018-3831 HIGH
8.8 Sep 19

Elasticsearch Alerting and Monitoring in versions before 6.4.1 or 5.6.12 have an information disclosure issue when secre

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