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8.8

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 ...

CVE-2020-5402 · published 6 years ago
Summary

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.

What to do
  • Update cloudfoundry cf-deployment to version 12.33.0 or later.
  • Update cloudfoundry user_account_and_authentication to version 74.14.0 or later.
Affected software
VendorProductAffected versions
cloudfoundry cf-deployment < 12.33.0
cpe:2.3:a:cloudfoundry:cf-deployment:*:*:*:*:*:*:*:*
cloudfoundry user_account_and_authentication < 74.14.0
cpe:2.3:a:cloudfoundry:user_account_and_authentication:*:*:*:*:*:*:*:*
Original advisory text
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 ...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker full control (estimated)
Severity
8.8 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-352Cross-Site Request Forgery (CSRF)
Timeline
Published27 Feb 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2020-5402 · NVD
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