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CVE-2020-5245

HighPublished

Remote Code Execution (RCE) vulnerability in dropwizard-validation

Published: Feb 24, 2020
Updated: Aug 4, 2024
Assigning CNA: GitHub_M
Evidence observed: Aug 5, 2026

Primary CVSS

8.8/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

3.0%

Low · next 30 days

Percentile: 86.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Dropwizard-Validation before 1.3.19, and 2.0.2 may allow arbitrary code execution on the host system, with the privileges of the Dropwizard service account, by injecting arbitrary Java Expression Language expressions when using the self-validating feature. The issue has been fixed in dropwizard-validation 1.3.19 and 2.0.2.

Sources

CVE-2020-5245PoC
Proof-of-concept exploit for CVE-2020-5245, demonstrating expression language injection in Dropwizard REST endpoints via crafted HTTP parameters.

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