CVE-2021-22137
Exposure of Sensitive Information to an Unauthorized Actor in Elasticsearch
5.3
MEDIUM
CVSS 3.1
EPSS 0.11%
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.
How to fix CVE-2021-22137
To remediate CVE-2021-22137, upgrade the affected package to a fixed version below.
- —upgrade to 6.8.15 or later
- —upgrade to 7.11.2 or later
Is CVE-2021-22137 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 6.8.15, >= 7.11.0, < 7.11.2
- >= 7.11.0, < 7.11.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |