CVE-2021-20293

NameCVE-2021-20293
DescriptionA reflected Cross-Site Scripting (XSS) flaw was found in RESTEasy in all versions of RESTEasy up to 4.6.0.Final, where it did not properly handle URL encoding when calling @javax.ws.rs.PathParam without any @Produces MediaType. This flaw allows an attacker to launch a reflected XSS attack. The highest threat from this vulnerability is to data confidentiality and integrity.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
resteasy (PTS)sid3.6.2-2undetermined
resteasy3.0 (PTS)buster3.0.26-1undetermined
bullseye, sid3.0.26-2undetermined

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
resteasysource(unstable)undetermined
resteasy3.0source(unstable)undetermined

Notes

https://bugzilla.redhat.com/show_bug.cgi?id=1942819

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