What is CVE-2021-27644?

CVE-2021-27644 is a high-severity vulnerability in Apache Dolphinscheduler, classified under CWE-264. CVSS score: 8.8/10. Published 2021-11-01.

How severe is CVE-2021-27644?

High severity. CVSS v3 base score is 8.8 out of 10.

SQL Injection in Apache Dolphinscheduler

CVE-2021-27644

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)

Published 2021-11-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.019 (79.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 79.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000

Affected products

Apache Dolphinscheduler
Apache Software Foundation Dolphinscheduler — versions Apache DolphinScheduler

Weakness classification (CWE)

References

lists.apache.org/thread.html/r35d6acf021486a390a7ea09e6650c2fe19e72522bd484791d… (Mailing List, Vendor Advisory)
www.openwall.com/lists/oss-security/2021/11/01/3 (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-27644?: CVE-2021-27644 is a high-severity vulnerability in Apache Dolphinscheduler, classified under CWE-264. CVSS score: 8.8/10. Published 2021-11-01.
How severe is CVE-2021-27644?: High severity. CVSS v3 base score is 8.8 out of 10.