CVE-2020-1958 Credentials bypass in Apache Druid
Attackers with valid LDAP credentials can bypass authentication filters and retrieve sensitive LDAP user attributes in Apache Druid.
- 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-2020-1958?
CVE-2020-1958 is a medium-severity authentication bypass vulnerability in Apache Druid, published on 1 Apr 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
When LDAP authentication is enabled in Apache Druid 0.17.0, callers of Druid APIs with a valid set of LDAP credentials can bypass the credentialsValidator.userSearch filter barrier that determines if a valid LDAP user is allowed to authenticate with Druid. They are still subject to role-based authorization checks, if configured. Callers of Druid APIs can also retrieve any LDAP attribute values of users that exist on the LDAP server, so long as that information is visible to the Druid server. This information disclosure does not require the caller itself to be a valid LDAP user.
Weakness: CWE-74
Which versions are affected by CVE-2020-1958?
2 open source packages ship an affected version, including org.apache.druid:druid. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.druid:druid Maven | From 0.17.0 | 0.17.1 |
org.apache.druid:druid Maven | From 0.17.0 | 0.17.1 |
Products include Apache Druid.
How do I fix CVE-2020-1958?
Upgrade org.apache.druid:druid to 0.17.1 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2020-1958 being exploited?
There is no known exploitation of CVE-2020-1958 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Apache Druid
- CVE-2026-23906 Apache Druid: Authentication Bypass via LDAP Anonymous Bind
- CVE-2025-59390 Apache Druid: Kerberos authenticaton chooses a cryptographically unsecure secret if not configured explicitly.
- CVE-2021-26919 Apache Druid Authenticated users can execute arbitrary code from malicious MySQL database systems.
- CVE-2021-25646 Authenticated users can override system configurations in their requests which allows them to execute arbitrary code.
- CVE-2024-45537 Apache Druid: Users can provide MySQL JDBC properties not on allow list
Sources
Also known as GHSA-qh2g-7h5p-mxf4.