CVE-2021-22132 Insufficiently Protected Credentials in Elasticsearch
An Elasticsearch user with read access to the .tasks index can obtain sensitive HTTP headers from other users' async search requests.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-22132?
CVE-2021-22132 is a medium-severity vulnerability in Elastic Elasticsearch, published on 14 Jan 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Elasticsearch versions 7.7.0 to 7.10.1 contain an information disclosure flaw in the async search API. Users who execute an async search will improperly store the HTTP headers. An Elasticsearch user with the ability to read the .tasks index could obtain sensitive request headers of other users in the cluster. This issue is fixed in Elasticsearch 7.10.2
Weakness: CWE-522
Which versions are affected by CVE-2021-22132?
3 open source packages ship an affected version, including org.elasticsearch:elasticsearch and elasticsearch. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
org.elasticsearch:elasticsearch Maven | From 7.7.0 | 7.10.2 |
org.elasticsearch:elasticsearch Maven | From 7.7.0 | 7.10.2 |
elasticsearch Bitnami | From 7.7.0 | 7.10.2 |
Products include Elastic Elasticsearch, Oracle Communications Cloud Native Core Automated Test Suite.
How do I fix CVE-2021-22132?
Upgrade org.elasticsearch:elasticsearch to 7.10.2 or later.
Is CVE-2021-22132 being exploited?
There is no known exploitation of CVE-2021-22132 in the wild and no public exploit code.
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-2021-22132, GHSA-5fvx-2jj3-6mff, UBUNTU-CVE-2021-22132.