Vulnerability Details : CVE-2018-1256
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.
Products affected by CVE-2018-1256
- cpe:2.3:a:vmware:spring_cloud_sso_connector:2.1.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-1256
0.33%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-1256
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
8.1
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
References for CVE-2018-1256
-
https://pivotal.io/security/cve-2018-1256
CVE-2018-1256: Issuer validation regression in Spring Cloud SSO Connector | Security | PivotalMitigation;Vendor Advisory
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