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Fencer Vulns
high 8.8

CVE-2021-27644 json

DolphinScheduler mysql jdbc connector parameters deserialize remote code execution

published 2021-11-01 5 y ago modified 2026-06-17 4 mo ago also GHSA-93g4-3phc-g4xw , EUVD-2021-2328

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 80%
public exploits
0
none known

Summary

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)

Patch / fix

  • maven org.apache.dolphinscheduler:dolphinscheduler-server 1.3.6
  • Apache Software Foundation Apache DolphinScheduler 1.3.6

Exploit prediction

1.92% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.0 AV:N/AC:M/Au:S/C:P/I:P/A:P
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
maven org.apache.dolphinscheduler:dolphinscheduler-server
<1.3.6
1.3.6

Affected products

  • Apache Software Foundation Apache DolphinScheduler

Classification

Weakness
  • CWE-264 Permissions, Privileges, and Access Controls
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.