Information disclosure in Elasticsearch - CVE-2021-22134

 

Information disclosure in Elasticsearch - CVE-2021-22134

Published: March 2, 2021


Vulnerability identifier: #VU51054
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-22134
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Elastic Stack
Affected software:
Elasticsearch

Detailed vulnerability description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to the get requests do not properly apply security permissions when executing a query against a recently updated document. A remote attacker can gain unauthorized access to sensitive information on the system.


How to mitigate CVE-2021-22134

Install updates from vendor's website.

Sources