Spring Cloud SSO Connector, version 2.1.2, contains a regression which disables issuer validation in resource servers that are not bound to the SSO service
Published May 7, 2018
8.1
HIGHCVSS 3.1
EPSS 1.59%
Description
Spring Cloud SSO Connector, version 2.1.2, contains a regression which disables issuer validation in resource servers that are not bound to the SSO service. In PCF deployments with multiple SSO service plans, a remote attacker can authenticate to unbound resource servers which use this version of the SSO Connector with tokens generated from another service plan.
Affected products
-
- Version 2.1.2StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Pivotal | Spring Cloud SSO Connector | n/a |
|
- 2.1.2
No data.
No Red Hat product state for this CVE.
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:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
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 v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.59% (0.01589) | 74.74th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.59% (0.01589) | 72.37th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.34% (0.00340) | 71.73th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.34% (0.00340) | 70.64th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.34% (0.00340) | 66.85th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.52% (0.00523) | 12.55th | v1 |
| Jan 6, 2022 | 0.52% (0.00523) | 12.10th | v1 |
| Sep 1, 2021 | 0.52% (0.00523) | 32.27th | v1 |
| Apr 14, 2021 | 0.52% (0.00523) | 0.00th | v1 |
No CWE recorded.
References (4)
- https://github.com/advisories/GHSA-q4q2-93pw-qwgf Advisory
- https://github.com/pivotal-cf/spring-cloud-sso-connector/commit/ef647a2acf2363c6018e8543d665ac8862593372
- https://nvd.nist.gov/vuln/detail/CVE-2018-1256
- https://pivotal.io/security/cve-2018-1256 x_refsource_CONFIRMMitigationVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-q4q2-93pw-qwgf | Advisory | |
| https://github.com/pivotal-cf/spring-cloud-sso-connector/commit/ef647a2acf2363c6018e8543d665ac8862593372 | ||
| https://nvd.nist.gov/vuln/detail/CVE-2018-1256 | ||
| https://pivotal.io/security/cve-2018-1256 | x_refsource_CONFIRMMitigationVendor Advisory |
Change history (0)
No recorded changes yet.