CVE-2021-22146 Information disclosure in n/a
Attackers can gain insight into cluster details via the default enabled anonymous user in Elastic Cloud Enterprise deployments.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-22146?
CVE-2021-22146 is a high-severity vulnerability in Elastic Elasticsearch, published on 21 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
All versions of Elastic Cloud Enterprise has the Elasticsearch “anonymous” user enabled by default in deployed clusters. While in the default setting the anonymous user has no permissions and is unable to successfully query any Elasticsearch APIs, an attacker could leverage the anonymous user to gain insight into certain details of a deployed cluster.
Which versions are affected by CVE-2021-22146?
1 open source package ship an affected version, including elasticsearch. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
elasticsearch Bitnami | From 7.13.3 | 7.13.4 |
Products include Elastic Elasticsearch.
How do I fix CVE-2021-22146?
Upgrade elasticsearch to 7.13.4 or later.
Is CVE-2021-22146 being exploited?
There is no known exploitation of CVE-2021-22146 in the wild and no public exploit code.
Public exploit code: 1 Exploit-DB entry and 1 proofs of concept on GitHub.
Other vulnerabilities in Elastic Elasticsearch
- CVE-2015-1427 Elasticsearch Groovy Scripting Engine Remote Code Execution
- CVE-2014-3120 Elasticsearch Remote Code Execution
- CVE-2015-5377 Code injection in n/a
- CVE-2026-72649 Deserialization of Untrusted Data in Elasticsearch Leading to Remote Code Execution
- CVE-2026-72642 Use of Out-of-range Pointer Offset in the Elasticsearch Machine Learning Native Inference Process
Sources
Also known as BIT-elasticsearch-2021-22146, GHSA-wxcx-pqjc-2pp9.