CVE-2018-3829 Auth bypass in Elastic Cloud Enterprise
Attackers with specific host details can bypass role validation to add rogue allocators, gaining unauthorized access to cluster data.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-3829?
CVE-2018-3829 is a medium-severity authentication bypass vulnerability in Elastic Cloud Enterprise, published on 19 Sep 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Elastic Cloud Enterprise (ECE) versions prior to 1.1.4 it was discovered that a user could scale out allocators on new hosts with an invalid roles token. An attacker with access to the previous runner ID and IP address of the coordinator-host could add a allocator to an existing ECE install to gain access to other clusters data.
Which versions are affected by CVE-2018-3829?
It affects 1 product.
Products include Elastic Elastic Cloud Enterprise.
How do I fix CVE-2018-3829?
No fix has been published for CVE-2018-3829 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2018-3829 being exploited?
There is no known exploitation of CVE-2018-3829 in the wild and no public exploit code.
Other vulnerabilities in Elastic Cloud Enterprise
- CVE-2025-37729 Elastic Cloud Enterprise (ECE) Improper Neutralization of Special Elements Used in a Template Engine
- CVE-2025-37736 Elastic Cloud Enterprise Improper Authorization
- CVE-2024-37282 Privilege escalation in Elastic Cloud Enterprise
- CVE-2023-31418 Elasticsearch uncontrolled resource consumption
- CVE-2018-3828 Information disclosure in Elastic Cloud Enterprise
Sources
Also known as GHSA-pc7v-g5f6-75fv.