wildfly-elytron: possible timing attack in ScramServer
Published Aug 5, 2021
5.3
MEDIUMCVSS 3.1
EPSS 0.85%
Description
A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnerability is confidentiality.
Affected products
- Vendor n/a Product Wildfly-Elytron Defaultn/a
- Version Wildfly Elytron 1.10.14.Final, Wildfly Elytron 1.15.5.Final, Wildfly Elytron 1.16.1.FinalStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Wildfly-Elytron | n/a |
|
Configuration 1
- < 1.10.14
- ≥ 1.11.0 · < 1.15.5
- ≥ 1.16.0 · < 1.16.1
Configuration 2
- n/a
- 12.0
- 8.0
- 7.0
- n/a
- n/a
- 7.0.0
- n/a
- 7.0.0
- n/a
- 7.0
No data.
EAP 7.3.10 GA
wildfly-elytron
Fixed · RHSA-2021:5154
RHPAM 7.13.0 async
wildfly-elytron
Fixed · RHSA-2022:5903
Red Hat Data Grid 8.3.0
wildfly-elytron
Fixed · RHSA-2022:0520
Red Hat EAP-XP 2 via EAP 7.3.x base
wildfly-elytron
Fixed · RHSA-2022:0146
Red Hat Fuse 7.11
wildfly-elytron
Fixed · RHSA-2022:5532
Red Hat Integration Camel Quarkus 2
n/a
Fixed · RHSA-2021:4767
Red Hat JBoss Enterprise Application Platform
org.wildfly.security/wildfly-elytron:1.15.5.Final-redhat-00001
Fixed · RHSA-2021:3660
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-apache-cxf-0:3.3.12-1.redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-ironjacamar-0:1.5.3-1.Final_redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-jakarta-el-0:3.0.3-3.redhat_00007.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-jboss-ejb-client-0:4.0.43-1.Final_redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-jboss-server-migration-0:1.7.2-10.Final_redhat_00011.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-jsoup-0:1.14.2-1.redhat_00002.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-resteasy-0:3.11.5-1.Final_redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-undertow-0:2.0.41-1.SP1_redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-wildfly-0:7.3.10-2.GA_redhat_00003.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-wildfly-elytron-0:1.10.15-1.Final_redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-wss4j-0:2.2.7-1.redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6
eap7-xml-security-0:2.1.7-1.redhat_00001.1.el6eap
Fixed · RHSA-2021:5149
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-apache-cxf-0:3.3.12-1.redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-ironjacamar-0:1.5.3-1.Final_redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-jakarta-el-0:3.0.3-3.redhat_00007.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-jboss-ejb-client-0:4.0.43-1.Final_redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-jboss-server-migration-0:1.7.2-10.Final_redhat_00011.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-jsoup-0:1.14.2-1.redhat_00002.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-resteasy-0:3.11.5-1.Final_redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-undertow-0:2.0.41-1.SP1_redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-wildfly-0:7.3.10-2.GA_redhat_00003.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-wildfly-elytron-0:1.10.15-1.Final_redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-wss4j-0:2.2.7-1.redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7
eap7-xml-security-0:2.1.7-1.redhat_00001.1.el7eap
Fixed · RHSA-2021:5150
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-apache-cxf-0:3.3.12-1.redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-ironjacamar-0:1.5.3-1.Final_redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-jakarta-el-0:3.0.3-3.redhat_00007.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-jboss-ejb-client-0:4.0.43-1.Final_redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-jboss-server-migration-0:1.7.2-10.Final_redhat_00011.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-jsoup-0:1.14.2-1.redhat_00002.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-resteasy-0:3.11.5-1.Final_redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-undertow-0:2.0.41-1.SP1_redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-wildfly-0:7.3.10-2.GA_redhat_00003.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-wildfly-elytron-0:1.10.15-1.Final_redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-wss4j-0:2.2.7-1.redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8
eap7-xml-security-0:2.1.7-1.redhat_00001.1.el8eap
Fixed · RHSA-2021:5151
Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8
eap7-wildfly-elytron-0:1.15.5-1.Final_redhat_00001.1.el8eap
Fixed · RHSA-2021:3658
Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7
eap7-wildfly-elytron-0:1.15.5-1.Final_redhat_00001.1.el7eap
Fixed · RHSA-2021:3656
Red Hat Single Sign-On 7.4.10
wildfly-elytron
Fixed · RHSA-2021:5170
Red Hat Support for Spring Boot 2.5.10
wildfly-elytron
Fixed · RHSA-2022:1179
Red Hat build of Quarkus 2.2.3
wildfly-elytron
Fixed · RHSA-2021:3880
Red Hat Integration Camel K 1
wildfly-elytron
Fix deferred
Red Hat Integration Camel Quarkus 1
wildfly-elytron
Affected
Red Hat JBoss Enterprise Application Platform Expansion Pack
wildfly-elytron
Affected
Red Hat build of Quarkus
wildfly-elytron
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| EAP 7.3.10 GA | wildfly-elytron | Fixed | RHSA-2021:5154 |
| RHPAM 7.13.0 async | wildfly-elytron | Fixed | RHSA-2022:5903 |
| Red Hat Data Grid 8.3.0 | wildfly-elytron | Fixed | RHSA-2022:0520 |
| Red Hat EAP-XP 2 via EAP 7.3.x base | wildfly-elytron | Fixed | RHSA-2022:0146 |
| Red Hat Fuse 7.11 | wildfly-elytron | Fixed | RHSA-2022:5532 |
| Red Hat Integration Camel Quarkus 2 | n/a | Fixed | RHSA-2021:4767 |
| Red Hat JBoss Enterprise Application Platform | org.wildfly.security/wildfly-elytron:1.15.5.Final-redhat-00001 | Fixed | RHSA-2021:3660 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-apache-cxf-0:3.3.12-1.redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-ironjacamar-0:1.5.3-1.Final_redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-jakarta-el-0:3.0.3-3.redhat_00007.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-jboss-ejb-client-0:4.0.43-1.Final_redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-jboss-server-migration-0:1.7.2-10.Final_redhat_00011.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-jsoup-0:1.14.2-1.redhat_00002.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-resteasy-0:3.11.5-1.Final_redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-undertow-0:2.0.41-1.SP1_redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-wildfly-0:7.3.10-2.GA_redhat_00003.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-wildfly-elytron-0:1.10.15-1.Final_redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-wss4j-0:2.2.7-1.redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 6 | eap7-xml-security-0:2.1.7-1.redhat_00001.1.el6eap | Fixed | RHSA-2021:5149 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-apache-cxf-0:3.3.12-1.redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-ironjacamar-0:1.5.3-1.Final_redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-jakarta-el-0:3.0.3-3.redhat_00007.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-jboss-ejb-client-0:4.0.43-1.Final_redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-jboss-server-migration-0:1.7.2-10.Final_redhat_00011.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-jsoup-0:1.14.2-1.redhat_00002.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-resteasy-0:3.11.5-1.Final_redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-undertow-0:2.0.41-1.SP1_redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-wildfly-0:7.3.10-2.GA_redhat_00003.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-wildfly-elytron-0:1.10.15-1.Final_redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-wss4j-0:2.2.7-1.redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 7 | eap7-xml-security-0:2.1.7-1.redhat_00001.1.el7eap | Fixed | RHSA-2021:5150 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-apache-cxf-0:3.3.12-1.redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-ironjacamar-0:1.5.3-1.Final_redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-jakarta-el-0:3.0.3-3.redhat_00007.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-jboss-ejb-client-0:4.0.43-1.Final_redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-jboss-server-migration-0:1.7.2-10.Final_redhat_00011.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-jsoup-0:1.14.2-1.redhat_00002.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-resteasy-0:3.11.5-1.Final_redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-undertow-0:2.0.41-1.SP1_redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-wildfly-0:7.3.10-2.GA_redhat_00003.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-wildfly-elytron-0:1.10.15-1.Final_redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-wss4j-0:2.2.7-1.redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.3 for RHEL 8 | eap7-xml-security-0:2.1.7-1.redhat_00001.1.el8eap | Fixed | RHSA-2021:5151 |
| Red Hat JBoss Enterprise Application Platform 7.4 for RHEL 8 | eap7-wildfly-elytron-0:1.15.5-1.Final_redhat_00001.1.el8eap | Fixed | RHSA-2021:3658 |
| Red Hat JBoss Enterprise Application Platform 7.4 on RHEL 7 | eap7-wildfly-elytron-0:1.15.5-1.Final_redhat_00001.1.el7eap | Fixed | RHSA-2021:3656 |
| Red Hat Single Sign-On 7.4.10 | wildfly-elytron | Fixed | RHSA-2021:5170 |
| Red Hat Support for Spring Boot 2.5.10 | wildfly-elytron | Fixed | RHSA-2022:1179 |
| Red Hat build of Quarkus 2.2.3 | wildfly-elytron | Fixed | RHSA-2021:3880 |
| Red Hat Integration Camel K 1 | wildfly-elytron | Fix deferred | n/a |
| Red Hat Integration Camel Quarkus 1 | wildfly-elytron | Affected | n/a |
| Red Hat JBoss Enterprise Application Platform Expansion Pack | wildfly-elytron | Affected | n/a |
| Red Hat build of Quarkus | wildfly-elytron | Affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
1 other source (Red Hat) ▾
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:S/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.85% (0.00846) | 56.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.85% (0.00846) | 53.09th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00237) | 44.85th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.07% (0.00065) | 30.40th | v3 (v2023.03.01) |
| Jun 20, 2024 | 0.07% (0.00065) | 28.44th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.07% (0.00065) | 26.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 9.03% (0.09029) | 86.86th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.84% (0.01840) | 47.83th | v1 |
| Jan 6, 2022 | 1.84% (0.01840) | 47.32th | v1 |
| Jan 5, 2022 | 0.42% (0.00416) | 26.65th | v5 (v2026.06.15) |
| Aug 6, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (5)
- https://access.redhat.com/security/cve/CVE-2021-3642 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1981407 x_refsource_MISCIssue TrackingVendor Advisory
- https://github.com/advisories/GHSA-5499-qjvh-6j7w Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-3642
- https://www.cve.org/CVERecord?id=CVE-2021-3642
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2021-3642 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1981407 | x_refsource_MISCIssue TrackingVendor Advisory | |
| https://github.com/advisories/GHSA-5499-qjvh-6j7w | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2021-3642 | ||
| https://www.cve.org/CVERecord?id=CVE-2021-3642 |
Change history (0)
No recorded changes yet.