jenkins: Non-constant time HMAC comparison
Published Jan 29, 2020
5.3
MEDIUMCVSS 3.1
EPSS 1.40%
Description
Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<=2.218
- Version unspecifiedStatusaffectedConstraints<=LTS 2.204.1
- 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 | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jenkins project | Jenkins | n/a |
|
No data.
Red Hat OpenShift Container Platform 3.11
atomic-enterprise-service-catalog-1:3.11.170-1.git.1.91db82e.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-0:3.11.170-1.git.0.00cac56.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-cluster-autoscaler-0:3.11.170-1.git.1.0a0df6a.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-descheduler-0:3.11.170-1.git.1.9ad83f2.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-dockerregistry-0:3.11.170-1.git.1.55fab05.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-metrics-server-0:3.11.170-1.git.1.357f177.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-node-problem-detector-0:3.11.170-1.git.1.b1f90a6.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-service-idler-0:3.11.170-1.git.1.8328979.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
atomic-openshift-web-console-0:3.11.170-1.git.1.3d64e8b.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
cri-o-0:1.11.16-0.5.dev.rhaos3.11.git3f89eba.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
golang-github-openshift-oauth-proxy-0:3.11.170-1.git.1.b49be83.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
golang-github-prometheus-alertmanager-0:3.11.170-1.git.1.61d7960.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
golang-github-prometheus-node_exporter-0:3.11.170-1.git.1.51473b7.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
golang-github-prometheus-prometheus-0:3.11.170-1.git.1.227bc98.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
jenkins-0:2.204.2.1580891656-1.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
jenkins-2-plugins-0:3.11.1579107288-1.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
openshift-ansible-0:3.11.170-2.git.5.8802564.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
openshift-enterprise-autoheal-0:3.11.170-1.git.1.dfe6c52.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
openshift-enterprise-cluster-capacity-0:3.11.170-1.git.1.661684b.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 3.11
openshift-kuryr-0:3.11.170-1.git.1.7265da1.el7
Fixed · RHBA-2020:0402
Red Hat OpenShift Container Platform 4.3
jenkins-0:2.204.2.1583446818-1.el7
Fixed · RHBA-2020:0675
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat OpenShift Container Platform 3.11 | atomic-enterprise-service-catalog-1:3.11.170-1.git.1.91db82e.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-0:3.11.170-1.git.0.00cac56.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-cluster-autoscaler-0:3.11.170-1.git.1.0a0df6a.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-descheduler-0:3.11.170-1.git.1.9ad83f2.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-dockerregistry-0:3.11.170-1.git.1.55fab05.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-metrics-server-0:3.11.170-1.git.1.357f177.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-node-problem-detector-0:3.11.170-1.git.1.b1f90a6.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-service-idler-0:3.11.170-1.git.1.8328979.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | atomic-openshift-web-console-0:3.11.170-1.git.1.3d64e8b.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | cri-o-0:1.11.16-0.5.dev.rhaos3.11.git3f89eba.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | golang-github-openshift-oauth-proxy-0:3.11.170-1.git.1.b49be83.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | golang-github-prometheus-alertmanager-0:3.11.170-1.git.1.61d7960.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | golang-github-prometheus-node_exporter-0:3.11.170-1.git.1.51473b7.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | golang-github-prometheus-prometheus-0:3.11.170-1.git.1.227bc98.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | jenkins-0:2.204.2.1580891656-1.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | jenkins-2-plugins-0:3.11.1579107288-1.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | openshift-ansible-0:3.11.170-2.git.5.8802564.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | openshift-enterprise-autoheal-0:3.11.170-1.git.1.dfe6c52.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | openshift-enterprise-cluster-capacity-0:3.11.170-1.git.1.661684b.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 3.11 | openshift-kuryr-0:3.11.170-1.git.1.7265da1.el7 | Fixed | RHBA-2020:0402 |
| Red Hat OpenShift Container Platform 4.3 | jenkins-0:2.204.2.1583446818-1.el7 | Fixed | RHBA-2020:0675 |
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
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
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 2, 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 (27 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.40% (0.01397) | 71.46th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.40% (0.01397) | 68.79th | v5 (v2026.06.15) |
| Jan 1, 2026 | 0.79% (0.00790) | 73.50th | v4 (v2025.03.14) |
| Dec 27, 2025 | 2.20% (0.02195) | 84.00th | v4 (v2025.03.14) |
| Nov 1, 2025 | 0.79% (0.00790) | 73.29th | v4 (v2025.03.14) |
| Oct 27, 2025 | 2.20% (0.02195) | 83.85th | v4 (v2025.03.14) |
| Oct 1, 2025 | 0.79% (0.00790) | 73.19th | v4 (v2025.03.14) |
| Sep 5, 2025 | 2.20% (0.02195) | 83.77th | v4 (v2025.03.14) |
| Sep 1, 2025 | 1.05% (0.01050) | 76.79th | v4 (v2025.03.14) |
| Aug 4, 2025 | 2.20% (0.02195) | 83.74th | v4 (v2025.03.14) |
| Aug 1, 2025 | 1.05% (0.01050) | 76.74th | v4 (v2025.03.14) |
| Jul 30, 2025 | 2.20% (0.02195) | 83.74th | v4 (v2025.03.14) |
| Mar 30, 2025 | 0.69% (0.00692) | 69.50th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.32% (0.02317) | 74.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.75% (0.00748) | 71.38th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.20% (0.00199) | 58.80th | v3 (v2023.03.01) |
| May 24, 2024 | 0.20% (0.00199) | 57.42th | v3 (v2023.03.01) |
| Dec 20, 2023 | 0.14% (0.00142) | 49.90th | v3 (v2023.03.01) |
| Dec 3, 2023 | 0.10% (0.00104) | 42.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.15% (0.00148) | 49.02th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.03% (0.01034) | 41.69th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.03% (0.01034) | 37.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.57% (0.11569) | 88.81th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.21% (0.06208) | 81.93th | v1 |
| Jan 6, 2022 | 6.21% (0.06208) | 81.75th | v1 |
| Jan 5, 2022 | 1.45% (0.01454) | 72.86th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.45% (0.01454) | 0.00th | v1 |
References (12)
- http://www.openwall.com/lists/oss-security/2020/01/29/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/errata/RHBA-2020:0402 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHBA-2020:0675 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2020:0681 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/errata/RHSA-2020:0683 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2020-2102 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1797071 Issue Tracking
- https://github.com/advisories/GHSA-fj6f-6933-839j Advisory
- https://github.com/jenkinsci/jenkins/commit/6f35dbb939ebe947bdb1979010b208480f1d0e31
- https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2020-2102
- https://www.cve.org/CVERecord?id=CVE-2020-2102
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2020/01/29/1 | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://access.redhat.com/errata/RHBA-2020:0402 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHBA-2020:0675 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2020:0681 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/errata/RHSA-2020:0683 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2020-2102 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1797071 | Issue Tracking | |
| https://github.com/advisories/GHSA-fj6f-6933-839j | Advisory | |
| https://github.com/jenkinsci/jenkins/commit/6f35dbb939ebe947bdb1979010b208480f1d0e31 | ||
| https://jenkins.io/security/advisory/2020-01-29/#SECURITY-1660 | x_refsource_CONFIRMVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2020-2102 | ||
| https://www.cve.org/CVERecord?id=CVE-2020-2102 |
Change history (0)
No recorded changes yet.