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CVE-2021-3536: A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the a

33
Routine
MEDIUM 4.8WATCHLISTMITIGATEDOWNGRADEDOWNGRADE

CVE-2021-3536 is a medium-severity flaw (CVSS 4.8) affecting build of quarkus, data grid, descision manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

Why this priority

  • On your watchlist

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

Risk facts

CVSS score4.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionRequired
EPSS exploit chance0.5% (top 55%)
CISA exploited listNo
WeaknessCWE-79
Published2021-05-20
Last modified2026-06-17
Publisher (CNA): Red Hat, Inc. · Vendor: redhat

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

Am I affected?

Timeline

redhat build of quarkus MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy build-of-quarkus || rpm -q build-of-quarkus || build-of-quarkus --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
redhat data grid DOWNGRADE
Affected: 8.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 8.0
1. Check installed version
apt-cache policy data-grid || rpm -q data-grid || data-grid --version
2. No fixed release: DOWNGRADE to a release before 8.0 (Debian / Ubuntu)
apt-cache madison data-grid sudo apt install data-grid=<VERSION_BEFORE_8.0> sudo apt-mark hold data-grid
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list data-grid sudo dnf downgrade data-grid-<VERSION_BEFORE_8.0> sudo dnf versionlock add data-grid
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.
redhat descision manager DOWNGRADE
Affected: 7.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 7.0
1. Check installed version
apt-cache policy descision-manager || rpm -q descision-manager || descision-manager --version
2. No fixed release: DOWNGRADE to a release before 7.0 (Debian / Ubuntu)
apt-cache madison descision-manager sudo apt install descision-manager=<VERSION_BEFORE_7.0> sudo apt-mark hold descision-manager
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list descision-manager sudo dnf downgrade descision-manager-<VERSION_BEFORE_7.0> sudo dnf versionlock add descision-manager
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.
redhat integration camel k MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy integration-camel-k || rpm -q integration-camel-k || integration-camel-k --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
redhat integration camel quarkus MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy integration-camel-quarkus || rpm -q integration-camel-quarkus || integration-camel-quarkus --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
redhat integration service registry MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy integration-service-registry || rpm -q integration-service-registry || integration-service-registry --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
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-2021-3536?

build of quarkus: mitigate or apply the listed mitigation; data grid: downgrade or apply the listed mitigation; descision manager: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2021-3536 being exploited?

CVE-2021-3536 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-2021-3536 affect?

CVE-2021-3536 affects build of quarkus, data grid, descision manager. Severity is medium (CVSS 4.8). A flaw was found in Wildfly in versions before 23.0.2.Final while creating a new role in domain mode via the admin console, it is possible to add a payload in the name field, leading to XSS. This affects Confidentiality and Integrity.

How urgent is CVE-2021-3536?

Priority 33/100. On your watchlist

Software pages

JBoss and WildFly vulnerabilities

Related CVEs

References

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