Vulnerability · Published Feb 23, 2021 · Assigned by mitre
CVE-2021-27582
Critical 9.1
In plain English
A critical-severity security flaw in the org.mitre:openid-connect-parent package (Maven). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.2% (higher than 83% of all known vulnerabilities).
Severity (CVSS NVD)9.1Critical
Exploit odds (30 days)2.2%top 17.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.mitre:openid-connect-parent | no fix listed | GHSA-8p36-q63g-68qh |
Affected products (as reported)
References
- https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/commit/7eba3c12fed82388f917e8dd9b73e86e3a311e4c x_refsource_MISC
- http://agrrrdog.blogspot.com/2017/03/autobinding-vulns-and-spring-mvc.html x_refsource_MISC
- https://portswigger.net/research/hidden-oauth-attack-vectors x_refsource_MISC