Posted by disclosure via Fulldisclosure on Aug 17 0day Rubbish Research Team is publicly disclosing a vulnerability in Wyn Enterprise 9.1.00145.0 (Mescius (GrapeCity)).
The research is published and a proof-of-concept is available.
Pre-authentication RCE (CVSS 9.8, pre-authentication)
Wyn Enterprise 9.1.00145.0 exposes an unauthenticated root RCE chain of three vulnerabilities: JWT signature validation
is skipped (parse-only ReadToken) with a hardcoded integration client secret, producing an...