CVE-2020-7019 Improper privilege management in elasticsearch
Attackers can leak restricted fields via scrolling searches in Elasticsearch with Field Level Security, potentially gaining unauthorized access to sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-7019?
CVE-2020-7019 is a medium-severity vulnerability in Elastic Elasticsearch, published on 18 Aug 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Elasticsearch before 7.9.0 and 6.8.12 a field disclosure flaw was found when running a scrolling search with Field Level Security. If a user runs the same query another more privileged user recently ran, the scrolling search can leak fields that should be hidden. This could result in an attacker gaining additional permissions against a restricted index.
Which versions are affected by CVE-2020-7019?
5 open source packages ship an affected version, including org.elasticsearch:elasticsearch and elasticsearch. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.elasticsearch:elasticsearch Maven | All versions | 6.8.12 |
org.elasticsearch:elasticsearch Maven | All versions | 6.8.12 |
org.elasticsearch:elasticsearch Maven | From 7.0.0 | 7.9.0 |
org.elasticsearch:elasticsearch Maven | From 7.0.0 | 7.9.0 |
elasticsearch Bitnami | All versions | 6.8.12, 7.9.0 |
Products include Elastic Elasticsearch.
How do I fix CVE-2020-7019?
Upgrade org.elasticsearch:elasticsearch to a fixed version for your release line: 6.8.12 or 7.9.0.
Is CVE-2020-7019 being exploited?
There is no known exploitation of CVE-2020-7019 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-2020-7019, GHSA-c77j-p484-h84m, UBUNTU-CVE-2020-7019.