keycloak: expiration not validated in SAML broker consumer endpoint
Published Nov 30, 2018
8.1
HIGHCVSS 3.0
EPSS 0.81%
Description
The SAML broker consumer endpoint in Keycloak before version 4.6.0.Final ignores expiration conditions on SAML assertions. An attacker can exploit this vulnerability to perform a replay attack.
Affected products
- Vendor n/a Product Keycloak Defaultn/a
- Version 4.6.0.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 | Keycloak | n/a |
|
No data.
Red Hat Single Sign-On 7.2 for RHEL 6
rh-sso7-keycloak-0:3.4.14-1.Final_redhat_00001.1.jbcs.el6
Fixed · RHSA-2018:3592
Red Hat Single Sign-On 7.2 for RHEL 7
rh-sso7-keycloak-0:3.4.14-1.Final_redhat_00001.1.jbcs.el7
Fixed · RHSA-2018:3593
Red Hat Single Sign-On 7.2.5 zip
n/a
Fixed · RHSA-2018:3595
Red Hat Fuse 7
keycloak
Not affected
Red Hat Mobile Application Platform 4
keycloak
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Single Sign-On 7.2 for RHEL 6 | rh-sso7-keycloak-0:3.4.14-1.Final_redhat_00001.1.jbcs.el6 | Fixed | RHSA-2018:3592 |
| Red Hat Single Sign-On 7.2 for RHEL 7 | rh-sso7-keycloak-0:3.4.14-1.Final_redhat_00001.1.jbcs.el7 | Fixed | RHSA-2018:3593 |
| Red Hat Single Sign-On 7.2.5 zip | n/a | Fixed | RHSA-2018:3595 |
| Red Hat Fuse 7 | keycloak | Not affected | n/a |
| Red Hat Mobile Application Platform 4 | keycloak | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:P/I:P/A:P
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
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.81% (0.00814) | 55.47th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.81% (0.00814) | 55.50th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.18% (0.00182) | 55.92th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.18% (0.00182) | 55.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00182) | 53.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.42% (0.00416) | 10.04th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.42% (0.00416) | 0.00th | v1 |
References (6)
- https://access.redhat.com/security/cve/CVE-2018-14637 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1627851 Issue Tracking
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14637 x_refsource_CONFIRMIssue TrackingThird Party Advisory
- https://github.com/advisories/GHSA-gf2j-7qwg-4f5x Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-14637
- https://www.cve.org/CVERecord?id=CVE-2018-14637
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2018-14637 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1627851 | Issue Tracking | |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14637 | x_refsource_CONFIRMIssue TrackingThird Party Advisory | |
| https://github.com/advisories/GHSA-gf2j-7qwg-4f5x | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-14637 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-14637 |
Change history (0)
No recorded changes yet.