ObjectPlanet Opinio before 7.14 allows Expression Language Injection via the admin/permissionList.do from parameter. This can be used to retrieve possibly sensitive serverInfo data.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26565
Reference (s):
- https://www.objectplanet.com/opinio/changelog.html
- https://packetstormsecurity.com/files/163708/ObjectPlanet-Opinio-7.13-Expression-Language-Injection.html