Skip to content

Exposure of Sensitive Information to an Unauthorized Actor in Elasticsearch

Moderate severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Aug 13, 2023

Package

maven org.elasticsearch:elasticsearch (Maven)

Affected versions

>= 7.11.0, <= 7.11.1
<= 6.8.14

Patched versions

7.11.2
6.8.15

Description

In Elasticsearch versions before 7.11.2 and 6.8.15 a document disclosure flaw was found when Document or Field Level Security is used. Search queries do not properly preserve security permissions when executing certain cross-cluster search queries. This could result in the search disclosing the existence of documents the attacker should not be able to view. This could result in an attacker gaining additional insight into potentially sensitive indices.

References

Published by the National Vulnerability Database May 13, 2021
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jun 22, 2022
Last updated Aug 13, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS score

0.090%
(40th percentile)

Weaknesses

CVE ID

CVE-2021-22137

GHSA ID

GHSA-hr65-qq6p-87r4

Source code

Credits

Loading Checking history
See something to contribute? Suggest improvements for this vulnerability.