CVE-2022-3143: wildfly-elytron: possible timing attacks via use of unsafe comparator

This month

HIGH 7.4REMOTEWATCHLISTDOWNGRADEDOWNGRADE

CVE-2022-3143 is a high-severity flaw (CVSS 7.4) affecting wildfly elytron, jboss enterprise application platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

wildfly-elytron: possible timing attacks via use of unsafe comparator. A flaw was found in Wildfly-elytron. Wildfly-elytron uses java.util.Arrays.equals in several places, which is unsafe and vulnerable to timing attacks. To compare values securely, use java.security.MessageDigest.isEqual instead. This flaw allows an attacker to access secure information or impersonate an authed user.

Why this priority

High severity
Remotely exploitable, no login, no user action
On your watchlist

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

Risk facts

CVSS score	7.4 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-203
Published	2023-01-13
Last modified	2026-06-17

Publisher (CNA): Red Hat, Inc. · Vendor: redhat

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

Am I affected?

Timeline

2023-01-13 06:15 UTCPublished CVE record published
2026-06-17 04:58 UTCUpdated Record last modified

redhat wildfly elytron DOWNGRADE

Affected: 1.15.15

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.15.15

1. Check installed version

apt-cache policy wildfly-elytron || rpm -q wildfly-elytron || wildfly-elytron --version

2. No fixed release: DOWNGRADE to a release before 1.15.15 (Debian / Ubuntu)

apt-cache madison wildfly-elytron sudo apt install wildfly-elytron=<VERSION_BEFORE_1.15.15> sudo apt-mark hold wildfly-elytron

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

dnf --showduplicates list wildfly-elytron sudo dnf downgrade wildfly-elytron-<VERSION_BEFORE_1.15.15> sudo dnf versionlock add wildfly-elytron

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 jboss enterprise application platform DOWNGRADE

Affected: 7.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.0.0

1. Check installed version

apt-cache policy jboss-enterprise-application-platform || rpm -q jboss-enterprise-application-platform || jboss-enterprise-application-platform --version

2. No fixed release: DOWNGRADE to a release before 7.0.0 (Debian / Ubuntu)

apt-cache madison jboss-enterprise-application-platform sudo apt install jboss-enterprise-application-platform=<VERSION_BEFORE_7.0.0> sudo apt-mark hold jboss-enterprise-application-platform

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

dnf --showduplicates list jboss-enterprise-application-platform sudo dnf downgrade jboss-enterprise-application-platform-<VERSION_BEFORE_7.0.0> sudo dnf versionlock add jboss-enterprise-application-platform

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-2022-3143?

wildfly elytron: downgrade or apply the listed mitigation; jboss enterprise application platform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-3143 being exploited?

CVE-2022-3143 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-2022-3143 affect?

CVE-2022-3143 affects wildfly elytron, jboss enterprise application platform. Severity is high (CVSS 7.4). wildfly-elytron: possible timing attacks via use of unsafe comparator. A flaw was found in Wildfly-elytron. Wildfly-elytron uses java.util.Arrays.equals in several places, which is unsafe and vulnerable to timing attacks. To compare values

How urgent is CVE-2022-3143?

Priority 48/100. High severity; Remotely exploitable, no login, no user action; On your watchlist

Software pages

Java vulnerabilities · JBoss and WildFly vulnerabilities

Related CVEs

CVE-2021-3642 MEDIUM 5.3 UPGRADE MITIGATE A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.1
CVE-2020-1748 HIGH 7.5 UPGRADE DOWNGRADE A flaw was found in all supported versions before wildfly-elytron-1.6.8.Final-redhat-00001, where the WildFlyS

References

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