Multiple vulnerabilities in Elasticsearch
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-22137 CVE-2021-22135 |
| CWE-ID | CWE-281 CWE-264 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Elasticsearch Web applications / Other software |
| Vendor | Elastic Stack |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Improper Preservation of Permissions
EUVDB-ID: #VU51712
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22137
CWE-ID:
CWE-281 - Improper preservation of permissions
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsElasticsearch: 6.0.0 - 7.11.1
External linkshttp://www.elastic.co/community/security#ESA-2021-08
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Security restrictions bypass
EUVDB-ID: #VU51710
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22135
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe 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.
Install updates from vendor's website.
Vulnerable software versionsElasticsearch: 6.0.0 - 7.11.1
External linkshttp://www.elastic.co/community/security#ESA-2021-06
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
