UAA fails to check the state parameter when authenticating with external IDPs
CVE-2020-5402

8.8HIGH

Key Information:

Vendor

Cloud Foundry

Status
Uaa
Vendor
CVE Published:
27 February 2020

What is CVE-2020-5402?

In Cloud Foundry UAA, versions prior to 74.14.0, a CSRF vulnerability exists due to the OAuth2 state parameter not being checked in the callback function when authenticating with external identity providers.

Affected Version(s)

UAA < unspecified

References

https://www.cloudfoundry.org/blog/cve-2020-5402
x_refsource_CONFIRM

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

CVSS V3.0

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.