Information disclosure in Resteasy - CVE-2021-20289
Published: September 30, 2021
Vulnerability identifier: #VU56965
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20289
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: resteasy
Affected software:
Resteasy
Resteasy
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to excessive data output by the application when RESTEasy cannot convert one of the request URI path or query values to the matching JAX-RS resource method's parameter value. A remote attacker can obtain endpoint class and method names.
How to mitigate CVE-2021-20289
Install updates from vendor's website.