CVE-2020-1952 Improper Certificate Validation in Apache IoTDB
Attackers can execute arbitrary code remotely via the exposed JMX port due to lack of authentication in Apache IoTDB.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2020-1952?
CVE-2020-1952 is a critical missing authorization vulnerability in Apache IoTDB, published on 27 Apr 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was found in Apache IoTDB .9.0 to 0.9.1 and 0.8.0 to 0.8.2. When starting IoTDB, the JMX port 31999 is exposed with no certification.Then, clients could execute code remotely.
Weakness: CWE-295
Which versions are affected by CVE-2020-1952?
2 open source packages ship an affected version, including org.apache.iotdb:iotdb-parent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.apache.iotdb:iotdb-parent Maven | All versions | 0.9.2 |
org.apache.iotdb:iotdb-parent Maven | All versions | 0.9.2 |
Products include Apache Iotdb.
How do I fix CVE-2020-1952?
Upgrade org.apache.iotdb:iotdb-parent to 0.9.2 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-1952 being exploited?
There is no known exploitation of CVE-2020-1952 in the wild and no public exploit code.
Other vulnerabilities in Apache IoTDB
- CVE-2026-24014 Apache IoTDB: Path Traversal in DataNode Internal RPC Trigger JAR Upload Allows Arbitrary File Write
- CVE-2026-24015 Apache IoTDB: Insecure Default Configuration Vulnerability
- CVE-2026-24713 Apache IoTDB: JEXL Expression Injection Vulnerability
- CVE-2024-24780 Apache IoTDB: Remote Code Execution with untrusted URI of User-defined function
- CVE-2023-46226 Apache IoTDB: Remote Code Execution (RCE) risk via the UDF
Sources
Also known as GHSA-wc6f-cjcp-cc33.