What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-01 · updated 2026-06-17
• Weakness: CWE-264

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)

Affected products

• Apache Software Foundation Apache DolphinScheduler: before 1.3.6 — fixed in 1.3.6

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache DolphinScheduler 1.3.6. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2021/11/01/3
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• http://www.openwall.com/lists/oss-security/2021/11/01/3
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E
• https://lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d606a6e6%40%3Cdev.dolphinscheduler.apache.org%3E

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