CVE-2021-20289: Information Exposure Through an Error Message

March 26, 2021 (updated May 10, 2022)

A flaw was found in RESTEasy where the endpoint class and method names are returned as part of the exception response when RESTEasy cannot convert one of the request URI path or query values to the matching JAX-RS resource method’s parameter value. The highest threat from this vulnerability is to data confidentiality.

References

bugzilla.redhat.com/show_bug.cgi?id=1935927
nvd.nist.gov/vuln/detail/CVE-2021-20289

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