CVE-2020-5245: Dropwizard-Validation before 1.3.19, and 2.0.2 may allow arbitrary code execution on the host system, with the

Q: How do I fix CVE-2020-5245?

dropwizard validation: upgrade to 1.3.19, 2.0.2; blockchain platform: upgrade to 21.1.2. Exact commands for each OS are on this page.

Q: Is CVE-2020-5245 being exploited?

CVE-2020-5245 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-5245 affect?

CVE-2020-5245 affects dropwizard validation, blockchain platform. Severity is high (CVSS 7.9). 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-val

Q: How urgent is CVE-2020-5245?

Priority 55/100. High severity; Public exploit reference

This month

HIGH 7.9UPGRADEUPGRADE

CVE-2020-5245 is a high-severity flaw (CVSS 7.9) affecting dropwizard validation, blockchain platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	7.9 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	Low
User interaction	Required
EPSS exploit chance	3.1% (top 12%)
CISA exploited list	No
Weakness	CWE-74
Published	2020-02-24
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: dropwizard · oracle

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-02-24 18:15 UTCPublished CVE record published
2026-06-17 03:21 UTCUpdated Record last modified

dropwizard dropwizard validation UPGRADE

Affected: < 1.3.19 · >= 2.0.0 and < 2.0.2

Fixed in: 1.3.19, 2.0.2

Safe to downgrade to: a release before 2.0.0

1. Check installed version

apt-cache policy dropwizard-validation || rpm -q dropwizard-validation || dropwizard-validation --version

2. UPGRADE to 1.3.19 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade dropwizard-validation

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade dropwizard-validation

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison dropwizard-validation sudo apt install dropwizard-validation=<VERSION_BEFORE_2.0.0> sudo apt-mark hold dropwizard-validation

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list dropwizard-validation sudo dnf downgrade dropwizard-validation-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add dropwizard-validation

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

oracle blockchain platform UPGRADE

Affected: < 21.1.2

Fixed in: 21.1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy blockchain-platform || rpm -q blockchain-platform || blockchain-platform --version

2. UPGRADE to 21.1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade blockchain-platform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade blockchain-platform

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-5245?

dropwizard validation: upgrade to 1.3.19, 2.0.2; blockchain platform: upgrade to 21.1.2. Exact commands for each OS are on this page.

Is CVE-2020-5245 being exploited?

CVE-2020-5245 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-5245 affect?

CVE-2020-5245 affects dropwizard validation, blockchain platform. Severity is high (CVSS 7.9). 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-val

How urgent is CVE-2020-5245?

Priority 55/100. High severity; Public exploit reference

Software pages

Java vulnerabilities

Related CVEs

CVE-2020-11002 HIGH 8.0 UPGRADE dropwizard-validation before versions 2.0.3 and 1.3.21 has a remote code execution vulnerability

References

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