We consume org.jdom:jdom2-2.0.6.1.jar. This version of the library is not vulnerable to CVE-2021-33813. (I went through the related issue #189).
The Implementation-Version value found in MANIFEST.MF file inside the 2.0.6.1 jar is 2.x-2021.11.08.17.25.
Due to the above mismatch in jar version and the implementation-version field inside MANIFEST.MF file, scanners are unable to determine right version of this jar and continue to flag it for the above CVE.
Expectation: The version should be consistent so as to avoid any such inconveniences.