CVE-2020-19704: A stored cross-site scripting (XSS) vulnerability via ResourceController.java in spring-boot-admin as of 20190

Routine

MEDIUM 5.4DOWNGRADE

CVE-2020-19704 is a medium-severity flaw (CVSS 5.4) affecting spring-boot-admin. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A stored cross-site scripting (XSS) vulnerability via ResourceController.java in spring-boot-admin as of 20190710 allows attackers to execute arbitrary web scripts or HTML.

Why this priority

Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-79
Published	2021-08-26
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: spring-boot-admin project

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

Am I affected?

Timeline

2021-08-26 03:15 UTCPublished CVE record published
2026-06-17 02:59 UTCUpdated Record last modified

spring-boot-admin project spring-boot-admin DOWNGRADE

Affected: 20190710

Fixed in: no fixed release known

Safe to downgrade to: a release before 20190710

1. Check installed version

apt-cache policy spring-boot-admin || rpm -q spring-boot-admin || spring-boot-admin --version

2. No fixed release: DOWNGRADE to a release before 20190710 (Debian / Ubuntu)

apt-cache madison spring-boot-admin sudo apt install spring-boot-admin=<VERSION_BEFORE_20190710> sudo apt-mark hold spring-boot-admin

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spring-boot-admin sudo dnf downgrade spring-boot-admin-<VERSION_BEFORE_20190710> sudo dnf versionlock add spring-boot-admin

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.

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-2020-19704?

spring-boot-admin: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-19704 being exploited?

CVE-2020-19704 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-2020-19704 affect?

CVE-2020-19704 affects spring-boot-admin. Severity is medium (CVSS 5.4). A stored cross-site scripting (XSS) vulnerability via ResourceController.java in spring-boot-admin as of 20190710 allows attackers to execute arbitrary web scripts or HTML.

How urgent is CVE-2020-19704?

Priority 34/100. Public exploit reference

Software pages

Java vulnerabilities

References

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