CVE-2021-27644 DolphinScheduler mysql jdbc connector parameters deserialize remote code execution

What is CVE-2021-27644?

CVE-2021-27644 is a high-severity SQL injection vulnerability in Apache DolphinScheduler, published on 1 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

In Apache DolphinScheduler before 1.3.6 versions, authorized users can use SQL injection in the data source center. (Only applicable to MySQL data source with internal login account password)

Weakness: CWE-89, CWE-264

Which versions are affected by CVE-2021-27644?

2 open source packages ship an affected version, including org.apache.dolphinscheduler:dolphinscheduler-server. It affects 1 product.

Products include Apache Dolphinscheduler.

How do I fix CVE-2021-27644?

Upgrade org.apache.dolphinscheduler:dolphinscheduler-server to 1.3.6 or later.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2021-27644 being exploited?

There is no known exploitation of CVE-2021-27644 in the wild and no public exploit code.

Other vulnerabilities in Apache DolphinScheduler

• CVE-2024-43166 Apache DolphinScheduler Incorrect Default Permissions Vulnerability Critical 9.8
• CVE-2024-43202 Apache DolphinScheduler: Remote Code Execution Vulnerability Critical 9.8
• CVE-2023-49109 Remote Code Execution in Apache Dolphinscheduler Critical 9.8
• CVE-2022-45875 Apache DolphinScheduler: Remote command execution Vulnerability in script alert plugin Critical 9.8
• CVE-2022-45462 Apache DolphinScheduler prior to 2.0.5 have command execution vulnerability Critical 9.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-93g4-3phc-g4xw.