#VU51712 Improper Preservation of Permissions in Elasticsearch - CVE-2021-22137
Published: March 25, 2021 / Updated: October 19, 2022
Vulnerability identifier: #VU51712
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-22137
CWE-ID: CWE-281
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Elasticsearch
Elasticsearch
Software vendor:
Elastic Stack
Elastic Stack
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to search queries do not properly preserve security permissions when executing certain cross-cluster search queries. A remote user can disclose existence of documents via search functionality, when Document or Field Level Security is used.
Remediation
Install updates from vendor's website.