CVE-2021-27582

PoC ×2—

CVSS 3.1

9.1 critical

EPSS

2%p82

Published

Feb 23, 2021 (Feb 23, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: mitreid
Products: connect
Weakness: CWE-1321
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (2.2%)

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