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MEDIUM severity

CVE-2023-25601 — Apache Dolphinscheduler

MEDIUM

CVE-2023-25601 is a medium-severity (CVSS 4.3) Improper Authentication vulnerability in apache dolphinscheduler. A fix is available — see the affected versions and patch details below.

On version 3.0.0 through 3.1.1, Apache DolphinScheduler's python gateway suffered from improper authentication: an attacker could use a socket bytes attack without authentication. This…

Published
Updated
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 2, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Exploitation Status

No confirmed exploitation observed yet

  • CISA’s own triage has not observed active exploitation or public proof-of-concept code for this CVE as of its last assessment.

Exploitation and automatability from CISA’s SSVC triage for CVE-2023-25601.

EPSS Exploitation Probability

via FIRST.org ↗
1.1%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs66th percentile — riskier than 66% of all scored CVEsHighest risk
0.00%0.54%1.08%1.63%0.4%1.1%May 26Sep 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Description

On version 3.0.0 through 3.1.1, Apache DolphinScheduler's python gateway suffered from improper authentication: an attacker could use a socket bytes attack without authentication. This issue has been fixed from version 3.1.2 onwards. For users who use version 3.0.0 to 3.1.1, you can turn off the python-gateway function by changing the value python-gateway.enabled=false in configuration file application.yaml. If you are using the python gateway, please upgrade to version 3.1.2 or above.

Affected Products

1 product · 1 configurations
Application
dolphinschedulerapache
≥ 3.0.0 && < 3.1.2
range

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every apache dolphinscheduler deployment and check each version against the affected-products list above.

  2. Fix

    Apply the apache dolphinscheduler security patch or hotfix for CVE-2023-25601 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

On version 3.0.0 through 3.1.1, Apache DolphinScheduler's python gateway suffered from improper authentication: an attacker could use a socket bytes attack without authentication. This issue has been fixed from version 3.1.2 onwards. For users who use version 3.0.0 to 3.1.1, you can turn off the python-gateway function by changing the value `python-gateway.enabled=false` in configuration file `application.yaml`. If you are using the python gateway, please upgrade to version 3.1.2 or above.
O3 Security · Runtime Protection

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CVE-2023-25601: Apache Dolphinscheduler (Medium 4.3)