Security restrictions bypass in Elasticsearch - CVE-2021-22135
Published: March 25, 2021
Vulnerability identifier: #VU51710
CSH Severity: Low
CVSS v4.0: 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-2021-22135
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Elastic Stack
Affected software:
Elasticsearch
Elasticsearch
Detailed vulnerability description
The vulnerability allows a remote user to gain access to sensitive information.
The vulnerability exists in the Elasticsearch suggester and profile API when Document and Field Level Security are enabled. A remote user can perform certain queries to enable the profiler and suggester on index and disclose existence of documents and fields.
How to mitigate CVE-2021-22135
Install updates from vendor's website.