CVE-2021-27582

org/mitre/oauth2/web/OAuthConfirmationController.java in the OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a Mass Assignment (aka Autobinding) vulnerability. This arises due to unsafe usage of the @ModelAttribute annotation during the OAuth authorization flow, in which HTTP request parameters affect an authorizationRequest.

Published: Feb 23, 2021
Updated: May 9, 2024
CVE: CVE-2021-27582
GHSA: GHSA-8p36-q63g-68qh
Severity: Critical
Exploit:

CVSS v3:

Severity: Critical
Score: 9.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CVSS v2:

Severity: Medium
Score: 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:N

CWEs:

CWE-1321
CWE-915

Affected Software
References

Software	From	Fixed in
mitreid / connect	-	1.3.3.x
org.mitre / openid-connect-parent	-	1.3.3.x

http://agrrrdog.blogspot.com/2017/03/autobinding-vulns-and-spring-mvc.html
https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/commit/7eba3c12fed82388f917e8dd9b73e86e3a311e4c
https://portswigger.net/research/hidden-oauth-attack-vectors

Vulnerability Database

CVE-2021-27582

Deep Security Visibility Without the Complexity