Information disclosure in Elasticsearch - CVE-2021-22134
Published: March 2, 2021
Vulnerability identifier: #VU51054
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2021-22134
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Elasticsearch
How to mitigate CVE-2021-22134
Install updates from vendor's website.
Elasticsearch - update to 7.11.0